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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
15711593942695598 ~1988
15711743314234878 ~1987
15711973942718398 ~1988
15712043314240878 ~1987
15712871314257438 ~1987
15713279314265598 ~1987
15713303314266078 ~1987
157133033771192739
15713459314269198 ~1987
15713591314271838 ~1987
15713617942817038 ~1988
157138512828493199 ~1990
157140671571406719 ~1989
157144071257152579 ~1989
15714913942894798 ~1988
157152911571529119 ~1989
15715439314308798 ~1987
15715691314313838 ~1987
157157533457465679 ~1990
15716663314333278 ~1987
15717181943030878 ~1988
15717371314347438 ~1987
15718019314360398 ~1987
15718403314368078 ~1987
15718679314373598 ~1987
Exponent Prime Factor Digits Year
157188891257511139 ~1989
15719003314380078 ~1987
157190271257522179 ~1989
15719843314396878 ~1987
157199091257592739 ~1989
15720361943221678 ~1988
15720539314410798 ~1987
15720863314417278 ~1987
157212171257697379 ~1989
15721883314437678 ~1987
15721921943315278 ~1988
15722183314443678 ~1987
15722279314445598 ~1987
157224311572243119 ~1989
15722579314451598 ~1987
157226832515629299 ~1989
15723371314467438 ~1987
15723791314475838 ~1987
157241471572414719 ~1989
157241692201383679 ~1989
15724211314484238 ~1987
15724259314485198 ~1987
15724451314489038 ~1987
15724733943483998 ~1988
15724883314497678 ~1987
Exponent Prime Factor Digits Year
157249271572492719 ~1989
157251471258011779 ~1989
15725243314504878 ~1987
157254771258038179 ~1989
15725579314511598 ~1987
15726299314525998 ~1987
15726311314526238 ~1987
157263976290558819 ~1990
15726839314536798 ~1987
15727391314547838 ~1987
15727451314549038 ~1987
15728039314560798 ~1987
15728123314562478 ~1987
15728243314564878 ~1987
15728579314571598 ~1987
157292391258339139 ~1989
157292571258340579 ~1989
157296472831336479 ~1990
15729941943796478 ~1988
15730031314600638 ~1987
15730139314602798 ~1987
15730153943809198 ~1988
157303436606744079 ~1990
15730943314618878 ~1987
157315031573150319 ~1989
Exponent Prime Factor Digits Year
15731531314630638 ~1987
15731531427897643310
157316571258532579 ~1989
157317774719533119 ~1990
15732179314643598 ~1987
157326494719794719 ~1990
15732863314657278 ~1987
15733163314663278 ~1987
157331871258654979 ~1989
15733583314671678 ~1987
15733859314677198 ~1987
15734123314682478 ~1987
15734633944077998 ~1988
157346871258774979 ~1989
15734951314699038 ~1987
157354071258832579 ~1989
15735757944145438 ~1988
15735911314718238 ~1987
15736403314728078 ~1987
15736463314729278 ~1987
15736631314732638 ~1987
15736739314734798 ~1987
157372033776928739 ~1990
157372191258977539 ~1989
15737279314745598 ~1987
1260
GIMPS The Prime Pages FactorDb.com
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25-04-13