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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
107745371723925939 ~1988
10774559215491198 ~1986
10774657181014237710 ~1991
10774661646479678 ~1987
10774721646483278 ~1987
10774783769319506310 ~1992
10774859215497198 ~1986
10775003215500078 ~1986
10775189862015138 ~1987
10775519215510398 ~1986
107756831724109299 ~1988
107761092370743999 ~1988
10776257646575438 ~1987
10776539215530798 ~1986
10776611215532238 ~1986
10776653646599198 ~1987
10776659215533198 ~1986
10777451215549038 ~1986
10777463215549278 ~1986
107776075388803519 ~1989
10777631215552638 ~1986
10777703215554078 ~1986
10777751215555038 ~1986
107778536682268879 ~1990
10777973646678398 ~1987
Exponent Prime Factor Digits Year
10778123215562478 ~1986
10778441646706478 ~1987
107785871077858719 ~1988
107785874311434819
10778783215575678 ~1986
10778819215576398 ~1986
107789931509059039 ~1988
10779179215583598 ~1986
10779317862345378 ~1987
10779401862352098 ~1987
10779551215591038 ~1986
10779731215594638 ~1986
10779959215599198 ~1986
10780453646827198 ~1987
10780751215615038 ~1986
10781063215621278 ~1986
107811071078110719 ~1988
10781423215628478 ~1986
10781651215633038 ~1986
10781891215637838 ~1986
10781957646917438 ~1987
10782041862563298 ~1987
10782119215642398 ~1986
10782371215647438 ~1986
10782697646961838 ~1987
Exponent Prime Factor Digits Year
10782731215654638 ~1986
107828391940911039 ~1988
10782971862637698 ~1987
10783271215665438 ~1986
10783973647038398 ~1987
10784177647050638 ~1987
10784699215693998 ~1986
10784759215695198 ~1986
10784831862786498 ~1987
10785077862806178 ~1987
10785161647109678 ~1987
107853014961238479 ~1989
10785311215706238 ~1986
107853192588476579 ~1989
10785371215707438 ~1986
10785371862829698
10785431215708638 ~1986
10785557170411800710 ~1991
10785757647145438 ~1987
10786283215725678 ~1986
10786703215734078 ~1986
10786709862936738 ~1987
10786757647205438 ~1987
10786781647206878 ~1987
10787053647223198 ~1987
Exponent Prime Factor Digits Year
10787099215741998 ~1986
10787123215742478 ~1986
10787291215745838 ~1986
10787297647237838 ~1987
10787321647239278 ~1987
10787663215753278 ~1986
107879231726067699 ~1988
10788359215767198 ~1986
10788383215767678 ~1986
10788593647315598 ~1987
10788611215772238 ~1986
10788881647332878 ~1987
10789451215789038 ~1986
10789637647378238 ~1987
10790099215801998 ~1986
10790399215807998 ~1986
107905671942302079 ~1988
107906939279995999 ~1990
10790771215815438 ~1986
10790881647452878 ~1987
10790963215819278 ~1986
10791023215820478 ~1986
10791299215825998 ~1986
10791359215827198 ~1986
10791419215828398 ~1986
1068
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25-07-08