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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
291875115253751999 ~1992
29188559583771198 ~1989
29189183583783678 ~1989
291897117589324879 ~1992
29190257233522056110 ~1993
29190383583807678 ~1989
29190839583816798 ~1989
29191271583825438 ~1989
29191583583831678 ~1989
29192651583853038 ~1989
29193011583860238 ~1989
291934331751605999 ~1990
29193779583875598 ~1989
29193803583876078 ~1989
291938416422645039 ~1992
29193863583877278 ~1989
29194103583882078 ~1989
291942472335539779 ~1991
29194283583885678 ~1989
29195051583901038 ~1989
29195407116781628110 ~1992
29195531583910638 ~1989
29195651583913038 ~1989
29196143583922878 ~1989
29196239583924798 ~1989
Exponent Prime Factor Digits Year
29196263583925278 ~1989
29196731583934638 ~1989
29196851583937038 ~1989
29196971583939438 ~1989
29197331583946638 ~1989
29197439583948798 ~1989
29197631583952638 ~1989
29198243583964878 ~1989
29198423583968478 ~1989
29199239583984798 ~1989
29199311583986238 ~1989
29200163584003278 ~1989
29200799584015998 ~1989
29200859584017198 ~1989
29200943584018878 ~1989
29201339584026798 ~1989
29201351584027038 ~1989
292013512336108099
29201759584035198 ~1989
29201951584039038 ~1989
29202539584050798 ~1989
29203151584063038 ~1989
29203463584069278 ~1989
29203631584072638 ~1989
29204183584083678 ~1989
Exponent Prime Factor Digits Year
292044011752264079 ~1990
29204999584099998 ~1989
29205119584102398 ~1989
29205419584108398 ~1989
29205563584111278 ~1989
292062371752374239 ~1990
29206511584130238 ~1989
29206823584136478 ~1989
292069211752415279 ~1990
29207063584141278 ~1989
29207291584145838 ~1989
29207543584150878 ~1989
29207663584153278 ~1989
29208083584161678 ~1989
29208131584162638 ~1989
29208251584165038 ~1989
29208323584166478 ~1989
29208659584173198 ~1989
29208863584177278 ~1989
292090137010163139 ~1992
29209139584182798 ~1989
29209283584185678 ~1989
29209871584197438 ~1989
29209883216153134310 ~1993
292111792336894339 ~1991
Exponent Prime Factor Digits Year
292112577010701699 ~1992
29211359584227198 ~1989
29211419584228398 ~1989
292123498763704719 ~1992
29213363584267278 ~1989
29213903584278078 ~1989
29214323584286478 ~1989
292149172337193379 ~1991
29215049111017186310 ~1992
29215583584311678 ~1989
29215643584312878 ~1989
292157571752945439 ~1990
29215883584317678 ~1989
29215943584318878 ~1989
292162611752975679 ~1990
29216783584335678 ~1989
29217011584340238 ~1989
29217131584342638 ~1989
292171371753028239 ~1990
29217599584351998 ~1989
292184212337473699 ~1991
29218883584377678 ~1989
29219111584382238 ~1989
29219279584385598 ~1989
29219903584398078 ~1989
1705
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25-05-04