Known Proth Primes for 1200 < k < 10000 and n > 2300000 (as of March 6, 2026) 5359*2^5054502+1 1521561 SB6 2003 1365*2^4768348+1 1435419 L6264 2025 1425*2^4700603+1 1415026 L6264 2025 1981*2^4629036+1 1393482 L1134 2026 1425*2^4618342+1 1390263 L1134 2024 1425*2^4469783+1 1345542 L1134 2023 1485*2^4416137+1 1329393 L1134 2024 1455*2^4376470+1 1317452 L1134 2023 1365*2^3872811+1 1165836 L1134 2023 1981*2^3754984+1 1130367 A24 2025 1365*2^3605491+1 1085365 L1134 2022 1485*2^3574333+1 1075985 L1134 2022 1485*2^3490746+1 1050823 L1134 2021 3322000 < n < 3486000 in a separate file: 613 primes 4847*2^3321063+1 999744 SB9 2005 3125*2^3124079+1 940445 L1160 2019 3125*2^2867399+1 863177 L1754 2019 2187*2^2786802+1 838915 L1745 2019 1323*2^2764024+1 832058 L1115 2019 3125*2^2697651+1 812078 L3924 2019 1365*2^2372586+1 714223 L1134 2016 20 primes 4137*2^2346427+1 not at T5K 706349 2026 6435*2^2346078+1 not at T5K 706244 2026 7675*2^2346068+1 not at T5K 706241 2026 4377*2^2346008+1 not at T5K 706223 2026 4953*2^2345649+1 not at T5K 706115 2026 8787*2^2345512+1 not at T5K 706074 2026 4209*2^2345389+1 not at T5K 706037 2026 1995*2^2345020+1 not at T5K 705925 2026 1975*2^2344732+1 not at T5K 705838 2026 7183*2^2344662+1 not at T5K 705818 2026 8087*2^2344547+1 not at T5K 705783 2026 3969*2^2344467+1 not at T5K 705759 2026 4809*2^2344345+1 not at T5K 705722 2026 3575*2^2344233+1 not at T5K 705689 2026 3717*2^2344159+1 not at T5K 705666 2026 6495*2^2344027+1 not at T5K 705627 2026 8883*2^2343982+1 not at T5K 705613 2026 3531*2^2343669+1 not at T5K 705519 2026 3589*2^2343562+1 not at T5K 705487 2026 6565*2^2343494+1 not at T5K 705466 2026 8873*2^2343465+1 not at T5K 705458 2026 6271*2^2343364+1 not at T5K 705427 2026 4929*2^2343163+1 not at T5K 705367 2026 4321*2^2343044+1 not at T5K 705331 2026 1661*2^2342749+1 not at T5K 705241 2026 9417*2^2342710+1 not at T5K 705230 2026 1799*2^2342231+1 not at T5K 705086 2026 9849*2^2342051+1 not at T5K 705032 2026 9393*2^2341606+1 not at T5K 704898 2026 5319*2^2341579+1 not at T5K 704890 2026 3899*2^2341349+1 not at T5K 704820 2026 8649*2^2341311+1 not at T5K 704809 2026 2421*2^2340967+1 not at T5K 704705 2026 8139*2^2340555+1 not at T5K 704582 2026 2153*2^2340401+1 not at T5K 704535 2026 3727*2^2340350+1 not at T5K 704520 2026 3653*2^2340109+1 not at T5K 704447 2026 6175*2^2339948+1 not at T5K 704399 2026 4749*2^2339765+1 not at T5K 704344 2026 4499*2^2339397+1 not at T5K 704233 2026 9531*2^2339387+1 not at T5K 704230 2026 1927*2^2339360+1 not at T5K 704221 2026 9775*2^2339336+1 not at T5K 704215 2026 5067*2^2339174+1 not at T5K 704166 2026 4545*2^2338882+1 not at T5K 704078 2026 3135*2^2338861+1 not at T5K 704071 2026 2909*2^2338849+1 not at T5K 704068 2026 6101*2^2338251+1 not at T5K 703888 2026 5301*2^2338069+1 not at T5K 703833 2026 2459*2^2337861+1 not at T5K 703770 2026 6463*2^2337588+1 not at T5K 703688 2026 4447*2^2337536+1 not at T5K 703673 2026 1355*2^2337415+1 not at T5K 703636 2026 6435*2^2337215+1 not at T5K 703576 2026 1631*2^2337113+1 not at T5K 703545 2026 8795*2^2336823+1 not at T5K 703458 2026 7089*2^2336409+1 not at T5K 703334 2026 3435*2^2336062+1 not at T5K 703229 2026 9887*2^2336003+1 not at T5K 703211 2026 3907*2^2335940+1 not at T5K 703192 2026 3221*2^2335901+1 not at T5K 703180 2026 9915*2^2335857+1 not at T5K 703168 2026 1255*2^2335548+1 not at T5K 703074 2026 2999*2^2335383+1 not at T5K 703024 2026 2361*2^2334907+1 not at T5K 702881 2026 7807*2^2334404+1 not at T5K 702730 2026 8867*2^2333827+1 not at T5K 702556 2025 1411*2^2333796+1 not at T5K 702546 2026 7795*2^2333776+1 not at T5K 702541 2025 5087*2^2333715+1 not at T5K 702522 2025 2251*2^2333676+1 not at T5K 702510 2025 5557*2^2333438+1 not at T5K 702439 2025 8525*2^2333189+1 not at T5K 702364 2025 7527*2^2332723+1 not at T5K 702224 2025 8327*2^2332683+1 not at T5K 702212 2025 7573*2^2332562+1 not at T5K 702176 2025 3331*2^2332532+1 not at T5K 702166 2025 9147*2^2332411+1 not at T5K 702130 2025 6143*2^2332349+1 not at T5K 702111 2025 3835*2^2332240+1 not at T5K 702078 2025 9281*2^2331965+1 not at T5K 701996 2025 4945*2^2331804+1 not at T5K 701947 2025 5767*2^2331248+1 not at T5K 701780 2025 7173*2^2331220+1 not at T5K 701772 2025 1733*2^2330569+1 not at T5K 701575 2025 4271*2^2330541+1 not at T5K 701567 2025 5313*2^2330430+1 not at T5K 701534 2025 9417*2^2330027+1 not at T5K 701412 2025 5205*2^2329882+1 not at T5K 701369 2025 5085*2^2329725+1 not at T5K 701321 2025 7267*2^2329540+1 not at T5K 701266 2025 3463*2^2329392+1 not at T5K 701221 2025 8675*2^2329221+1 not at T5K 701170 2025 8709*2^2328941+1 not at T5K 701086 2025 3791*2^2328935+1 not at T5K 701083 2025 1831*2^2328636+1 not at T5K 700993 2025 3235*2^2328528+1 not at T5K 700961 2025 8207*2^2328299+1 not at T5K 700892 2025 1743*2^2328298+1 not at T5K 700891 2025 6303*2^2327994+1 not at T5K 700800 2025 9055*2^2327828+1 not at T5K 700751 2025 4119*2^2327817+1 not at T5K 700747 2025 8291*2^2327807+1 not at T5K 700744 2025 3735*2^2327763+1 not at T5K 700731 2025 8745*2^2327729+1 not at T5K 700721 2025 7927*2^2327640+1 not at T5K 700694 2025 5525*2^2327621+1 not at T5K 700688 2025 9113*2^2327569+1 not at T5K 700673 2025 3147*2^2327282+1 not at T5K 700586 2025 1533*2^2327257+1 not at T5K 700578 2025 2001*2^2327213+1 not at T5K 700565 2025 1345*2^2327162+1 not at T5K 700549 2025 2017*2^2326804+1 not at T5K 700442 2025 1993*2^2326710+1 not at T5K 700413 2025 3689*2^2326695+1 not at T5K 700409 2025 2575*2^2326640+1 not at T5K 700392 2025 2673*2^2326441+1 not at T5K 700332 2025 4133*2^2325821+1 not at T5K 700146 2025 5607*2^2325759+1 not at T5K 700127 2025 4627*2^2325022+1 not at T5K 699906 2025 3265*2^2325000+1 not at T5K 699899 2025 3159*2^2324977+1 not at T5K 699892 2025 3089*2^2324915+1 not at T5K 699873 2025 7469*2^2324613+1 not at T5K 699783 2025 8195*2^2324365+1 not at T5K 699708 2025 8613*2^2324276+1 not at T5K 699681 2025 6395*2^2323829+1 not at T5K 699547 2025 8011*2^2323568+1 not at T5K 699468 2025 6469*2^2323534+1 not at T5K 699458 2025 8043*2^2323352+1 not at T5K 699403 2025 1971*2^2323060+1 not at T5K 699315 2025 5497*2^2322904+1 not at T5K 699268 2025 5345*2^2322541+1 not at T5K 699159 2025 4807*2^2322388+1 not at T5K 699113 2025 2289*2^2322314+1 not at T5K 699090 2025 7249*2^2321642+1 not at T5K 698888 2025 3929*2^2321639+1 not at T5K 698887 2025 1747*2^2321628+1 not at T5K 698883 2025 4007*2^2321343+1 not at T5K 698798 2025 7657*2^2321236+1 not at T5K 698766 2025 4445*2^2320451+1 not at T5K 698530 2025 8965*2^2320420+1 not at T5K 698520 2025 6285*2^2320351+1 not at T5K 698500 2025 7705*2^2320164+1 not at T5K 698443 2025 6025*2^2320050+1 not at T5K 698409 2025 6035*2^2319957+1 not at T5K 698381 2025 6225*2^2319865+1 not at T5K 698353 2025 8775*2^2319624+1 not at T5K 698281 2025 8097*2^2319438+1 not at T5K 698225 2025 4281*2^2319123+1 not at T5K 698130 2025 3135*2^2319007+1 not at T5K 698095 2025 2301*2^2318929+1 not at T5K 698071 2025 6157*2^2318848+1 not at T5K 698047 2025 7639*2^2318722+1 not at T5K 698009 2025 9633*2^2318200+1 not at T5K 697852 2025 8091*2^2318047+1 not at T5K 697806 2025 3933*2^2317981+1 not at T5K 697786 2025 7529*2^2317939+1 not at T5K 697774 2025 6535*2^2317790+1 not at T5K 697729 2025 1219*2^2317402+1 not at T5K 697611 2025 6453*2^2317229+1 not at T5K 697560 2025 3243*2^2316957+1 not at T5K 697478 2025 7219*2^2316794+1 not at T5K 697429 2025 7177*2^2316670+1 not at T5K 697392 2025 9195*2^2316644+1 not at T5K 697384 2025 6607*2^2316616+1 not at T5K 697375 2025 8651*2^2316547+1 not at T5K 697355 2025 5845*2^2315936+1 not at T5K 697170 2025 5299*2^2315838+1 not at T5K 697141 2025 3597*2^2315834+1 not at T5K 697140 2025 1575*2^2315628+1 not at T5K 697077 2025 9269*2^2315521+1 not at T5K 697046 2025 8721*2^2315260+1 not at T5K 696967 2025 6355*2^2315086+1 not at T5K 696915 2025 6063*2^2315058+1 not at T5K 696906 2025 4927*2^2314888+1 not at T5K 696855 2025 8527*2^2314782+1 not at T5K 696823 2025 2475*2^2314643+1 not at T5K 696781 2025 3375*2^2314297+1 696677 L1745 2019 1883*2^2314233+1 not at T5K 696657 2025 5723*2^2314193+1 not at T5K 696646 2025 1335*2^2314017+1 not at T5K 696592 2025 7417*2^2313980+1 not at T5K 696582 2025 8517*2^2313628+1 not at T5K 696476 2025 9779*2^2313549+1 not at T5K 696452 2025 2963*2^2313549+1 not at T5K 696452 2025 5709*2^2313266+1 not at T5K 696367 2025 1555*2^2313224+1 not at T5K 696354 2025 7305*2^2312889+1 not at T5K 696253 2025 5157*2^2312548+1 not at T5K 696151 2025 4023*2^2311798+1 not at T5K 695925 2025 2353*2^2311684+1 not at T5K 695890 2025 2283*2^2311198+1 not at T5K 695744 2025 9759*2^2311127+1 not at T5K 695723 2025 7651*2^2311104+1 not at T5K 695716 2025 4857*2^2310862+1 not at T5K 695643 2025 1875*2^2310832+1 not at T5K 695634 2025 9093*2^2310722+1 not at T5K 695601 2025 4635*2^2310620+1 not at T5K 695570 2025 8549*2^2310513+1 not at T5K 695538 2025 8859*2^2310495+1 not at T5K 695533 2025 3363*2^2310077+1 not at T5K 695406 2025 8845*2^2309988+1 not at T5K 695380 2025 3255*2^2309944+1 not at T5K 695366 2025 6751*2^2309868+1 not at T5K 695344 2025 6997*2^2309850+1 not at T5K 695338 2025 3663*2^2309532+1 not at T5K 695242 2025 5653*2^2308966+1 not at T5K 695072 2025 9981*2^2308957+1 not at T5K 695070 2025 2685*2^2308882+1 not at T5K 695047 2025 7815*2^2308703+1 not at T5K 694993 2025 5321*2^2308643+1 694975 L5517 2025 Divides GF(2308641,5) 6363*2^2308508+1 not at T5K 694934 2025 2319*2^2308506+1 not at T5K 694933 2025 2963*2^2308489+1 not at T5K 694928 2025 6747*2^2308060+1 not at T5K 694800 2025 4431*2^2307655+1 not at T5K 694678 2025 1601*2^2307397+1 not at T5K 694599 2025 9321*2^2307197+1 not at T5K 694540 2025 5173*2^2307170+1 not at T5K 694532 2025 2457*2^2307059+1 not at T5K 694498 2025 2729*2^2306999+1 not at T5K 694480 2025 2541*2^2306916+1 not at T5K 694455 2025 2247*2^2306754+1 not at T5K 694406 2025 7211*2^2306639+1 not at T5K 694372 2025 9627*2^2306558+1 not at T5K 694348 2025 7551*2^2306308+1 not at T5K 694272 2025 2125*2^2306260+1 not at T5K 694257 2025 9837*2^2306154+1 not at T5K 694226 2025 9063*2^2305672+1 not at T5K 694081 2025 3267*2^2305266+1 693958 L1204 2019 6211*2^2304972+1 not at T5K 693870 2025 7733*2^2304565+1 not at T5K 693748 2025 9599*2^2303981+1 not at T5K 693572 2025 9269*2^2303599+1 not at T5K 693457 2025 8901*2^2303259+1 not at T5K 693354 2025 6591*2^2303055+1 not at T5K 693293 2025 2659*2^2302814+1 not at T5K 693220 2025 6413*2^2302649+1 not at T5K 693171 2025 1561*2^2302184+1 not at T5K 693030 2025 2427*2^2301924+1 not at T5K 692952 2025 3873*2^2301850+1 not at T5K 692930 2025 3879*2^2301817+1 not at T5K 692920 2025 9159*2^2301213+1 not at T5K 692739 2025 1599*2^2301195+1 not at T5K 692732 2025 7915*2^2301034+1 not at T5K 692685 2025 7813*2^2300262+1 not at T5K 692452 2025 8165*2^2300001+1 not at T5K 692374 2025 248 primes -------------------------------------------------------