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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
296435411778612479 ~1990
296436731778620399 ~1990
29644859592897198 ~1989
29644871142295380910 ~1993
29645039592900798 ~1989
29645123592902478 ~1989
29645243592904878 ~1989
29646191592923838 ~1989
29646299592925998 ~1989
29646719592934398 ~1989
29647043592940878 ~1989
29647679592953598 ~1989
29647703592954078 ~1989
29647763592955278 ~1989
29647823592956478 ~1989
296478531778871199 ~1990
29648579592971598 ~1989
29649143592982878 ~1989
29649611592992238 ~1989
29649923592998478 ~1989
29650451593009038 ~1989
29650559593011198 ~1989
29650871593017438 ~1989
29651399593027998 ~1989
296517731779106399 ~1990
Exponent Prime Factor Digits Year
29651879593037598 ~1989
296519771779118639 ~1990
29652431593048638 ~1989
29652971593059438 ~1989
29653199593063998 ~1989
296533331779199999 ~1990
29653511593070238 ~1989
29654363593087278 ~1989
29654389142341067310 ~1993
296544197117060579 ~1992
29654591593091838 ~1989
296551372372410979 ~1991
29655683593113678 ~1989
29656019593120398 ~1989
29656391593127838 ~1989
296564392372515139 ~1991
296565195338173439 ~1992
29657003593140078 ~1989
29657891593157838 ~1989
296585094152191279 ~1991
29658899593177998 ~1989
29658911593178238 ~1989
29659319593186398 ~1989
29659439593188798 ~1989
29659463593189278 ~1989
Exponent Prime Factor Digits Year
29659583593191678 ~1989
29659631593192638 ~1989
29659991593199838 ~1989
29660171593203438 ~1989
296609097118618179 ~1992
29661083593221678 ~1989
29661239593224798 ~1989
296612931779677599 ~1990
29662151593243038 ~1989
29662631593252638 ~1989
29662859593257198 ~1989
29663219593264398 ~1989
29663339593266798 ~1989
29663363593267278 ~1989
29663891593277838 ~1989
29664203593284078 ~1989
29664599593291998 ~1989
29664863593297278 ~1989
296649892373199139 ~1991
29665199593303998 ~1989
29666183593323678 ~1989
29666243593324878 ~1989
29666363593327278 ~1989
29666471593329438 ~1989
296667611780005679 ~1990
Exponent Prime Factor Digits Year
29667503593350078 ~1989
29667719593354398 ~1989
29668403593368078 ~1989
29668511593370238 ~1989
29668811593376238 ~1989
296691771780150639 ~1990
296694134747106099 ~1992
29669483593389678 ~1989
29669999593399998 ~1989
29670743593414878 ~1989
296708411780250479 ~1990
29670863593417278 ~1989
29670911593418238 ~1989
296714572373716579 ~1991
296720112967201119 ~1991
296721411780328479 ~1991
29672999593459998 ~1989
29673073136496135910 ~1993
29673251593465038 ~1989
29673263593465278 ~1989
29673431593468638 ~1989
296740192373921539 ~1991
29674091593481838 ~1989
296746331780477999 ~1991
29674643593492878 ~1989
1711
GIMPS The Prime Pages FactorDb.com
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25-04-13