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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
26549879530997598 ~1989
265499272123994179 ~1990
26549951530999038 ~1989
265501972124015779 ~1990
26550263531005278 ~1989
26550599531011998 ~1989
26550731531014638 ~1989
26550899531017998 ~1989
26551139531022798 ~1989
265521531593129199 ~1990
265524411593146479 ~1990
265524974248399539 ~1991
26553509212428072110 ~1993
26553539531070798 ~1989
26553563531071278 ~1989
265538714248619379 ~1991
26554163531083278 ~1989
26554403531088078 ~1989
26556203531124078 ~1989
265566893717936479 ~1991
26557439531148798 ~1989
26557691531153838 ~1989
26558771531175438 ~1989
26559059531181198 ~1989
26559119531182398 ~1989
Exponent Prime Factor Digits Year
26559983239039847110 ~1993
26560151531203038 ~1989
26560379531207598 ~1989
26560571531211438 ~1989
26560811531216238 ~1989
26560991531219838 ~1989
26561231531224638 ~1989
26561663531233278 ~1989
265620731593724399 ~1990
26562131531242638 ~1989
26562227834053927910 ~1994
26562611531252238 ~1989
265626171593757039 ~1990
26562743531254878 ~1989
26563139531262798 ~1989
26563583531271678 ~1989
26563703531274078 ~1989
26563763531275278 ~1989
26565179531303598 ~1989
265653131593918799 ~1990
26565491531309838 ~1989
26565881127516228910 ~1992
26566691531333838 ~1989
26567483531349678 ~1989
26567603531352078 ~1989
Exponent Prime Factor Digits Year
26567633148778744910 ~1993
26567699531353998 ~1989
26567819531356398 ~1989
26568071531361438 ~1989
26568359531367198 ~1989
26568551531371038 ~1989
265685573719597999 ~1991
26568863531377278 ~1989
26569451531389038 ~1989
26569583531391678 ~1989
26570891531417838 ~1989
265712274782820879 ~1991
265712771594276639 ~1990
26571431531428638 ~1989
26571659531433198 ~1989
26571959531439198 ~1989
26571971531439438 ~1989
26572391531447838 ~1989
265728771594372639 ~1990
26572943531458878 ~1989
265741131594446799 ~1990
26574563531491278 ~1989
26574851531497038 ~1989
26575079531501598 ~1989
265765971594595839 ~1990
Exponent Prime Factor Digits Year
26576723531534478 ~1989
265768331594609999 ~1990
265772832657728319 ~1991
265774131594644799 ~1990
26577503531550078 ~1989
265775474783958479 ~1991
26578091531561838 ~1989
265782192657821919 ~1991
26578631531572638 ~1989
265798272657982719 ~1991
265804392658043919 ~1991
26580623531612478 ~1989
26580839531616798 ~1989
265810971594865839 ~1990
26581283531625678 ~1989
26581391531627838 ~1989
265816577974497119 ~1992
26581739531634798 ~1989
265817712658177119 ~1991
26581811531636238 ~1989
26582051531641038 ~1989
26582579531651598 ~1989
265833171594999039 ~1990
26583671531673438 ~1989
26583863531677278 ~1989
1621
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25-04-13