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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
15706697942401838 ~1988
15707843314156878 ~1987
15708191314163838 ~1987
157082472513319539 ~1989
15708419314168398 ~1987
15708443314168878 ~1987
157085511256684099 ~1989
157088112827585999 ~1990
15708911314178238 ~1987
157089111256712899
157090732199270239 ~1989
157091512827647199 ~1990
157092175969502479 ~1990
157095791570957919 ~1989
15709643314192878 ~1987
15710161942609678 ~1988
15710171314203438 ~1987
15710231314204638 ~1987
15710423314208478 ~1987
157106471571064719 ~1989
157109111571091119 ~1989
15711401942684078 ~1988
15711593942695598 ~1988
15711743314234878 ~1987
15711973942718398 ~1988
Exponent Prime Factor Digits Year
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
157186135029956179 ~1990
15718679314373598 ~1987
157188891257511139 ~1989
15719003314380078 ~1987
Exponent Prime Factor Digits Year
157190271257522179 ~1989
15719843314396878 ~1987
157199091257592739 ~1989
15720361943221678 ~1988
15720539314410798 ~1987
15720863314417278 ~1987
157209591257676739 ~1989
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
157249271572492719 ~1989
Exponent Prime Factor Digits Year
15724957943497438 ~1988
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
1296
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25-09-07