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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
27913199558263998 ~1989
27913211558264238 ~1989
27914063558281278 ~1989
279146331674877999 ~1990
27915311558306238 ~1989
279157371674944239 ~1990
27916103558322078 ~1989
27916379558327598 ~1989
27917063558341278 ~1989
27917579558351598 ~1989
27917819558356398 ~1989
279185571675113439 ~1990
27918659558373198 ~1989
27919019558380398 ~1989
27919511558390238 ~1989
27919583558391678 ~1989
27921059558421198 ~1989
27922859558457198 ~1989
27922883558457678 ~1989
27923471558469438 ~1989
27923999558479998 ~1989
279242411675454479 ~1990
279242572233940579 ~1991
279243014467888179 ~1991
27924779558495598 ~1989
Exponent Prime Factor Digits Year
27925643558512878 ~1989
279257272234058179 ~1991
27927143558542878 ~1989
27927239558544798 ~1989
279272479495263999 ~1992
27927323558546478 ~1989
27927439318372804710 ~1993
27927479558549598 ~1989
27928643558572878 ~1989
279287576702901699 ~1992
279297778378933119 ~1992
27930191558603838 ~1989
27930239558604798 ~1989
27930359558607198 ~1989
279305171675831039 ~1990
27930971558619438 ~1989
27931199558623998 ~1989
27931439558628798 ~1989
279314698938070099 ~1992
27931523558630478 ~1989
27932279558645598 ~1989
279326571675959439 ~1990
27933803558676078 ~1989
27933863558677278 ~1989
27933959558679198 ~1989
Exponent Prime Factor Digits Year
27936791558735838 ~1989
27936851558737038 ~1989
27937271558745438 ~1989
27937979558759598 ~1989
27938159558763198 ~1989
27938243558764878 ~1989
27938591558771838 ~1989
27938639558772798 ~1989
279387611676325679 ~1990
27938783558775678 ~1989
27938831558776638 ~1989
27939239558784798 ~1989
279394733911526239 ~1991
279405731676434399 ~1990
27940691558813838 ~1989
27940931558818638 ~1989
27941491134119156910 ~1992
27941519558830398 ~1989
279417315029511599 ~1991
27941783558835678 ~1989
27942371558847438 ~1989
27942419558848398 ~1989
27943199558863998 ~1989
27943691558873838 ~1989
27944087402394852910 ~1994
Exponent Prime Factor Digits Year
27944219558884398 ~1989
27944291558885838 ~1989
27944519558890398 ~1989
27945383558907678 ~1989
279457612235660899 ~1991
27946703558934078 ~1989
27946799558935998 ~1989
27946823558936478 ~1989
27947063558941278 ~1989
279476414471622579 ~1991
279478971676873839 ~1990
27947999558959998 ~1989
27948023558960478 ~1989
279482531676895199 ~1990
27948311558966238 ~1989
27948551558971038 ~1989
27949403558988078 ~1989
279494232794942319 ~1991
27949451558989038 ~1989
279504915031088399 ~1991
27950963559019278 ~1989
27951263559025278 ~1989
27951551559031038 ~1989
27951659559033198 ~1989
27952499559049998 ~1989
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24-10-27