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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
572558511145117039 ~1992
572562114580496899 ~1993
572566791145133599 ~1992
572575614580604899 ~1993
572584791145169599 ~1992
572586831145173679 ~1992
572604533435627199 ~1993
572604733435628399 ~1993
572617791145235599 ~1992
572656614581252899 ~1993
572656674581253379 ~1993
572656791145313599 ~1992
572675991145351999 ~1992
572684991145369999 ~1992
572685591145371199 ~1992
572699631145399279 ~1992
572718591145437199 ~1992
572725431145450879 ~1992
572726933436361599 ~1993
572737911145475839 ~1992
572754111145508239 ~1992
57276389309292500710 ~1995
572770191145540399 ~1992
572774813436648879 ~1993
572790111145580239 ~1992
Exponent Prime Factor Digits Year
572805231145610479 ~1992
572807031145614079 ~1992
572821875728218719 ~1993
572831698019643679 ~1994
57283483229133932110 ~1995
572853774582830179 ~1993
572854515728545119 ~1993
572858631145717279 ~1992
572875911145751839 ~1992
572878191145756399 ~1992
572879991145759999 ~1992
572896791145793599 ~1992
572904231145808479 ~1992
572946733437680399 ~1993
572950314583602499 ~1993
572952111145904239 ~1992
57297181171891543110 ~1994
572983013437898079 ~1993
572992133437952799 ~1993
573088995730889919 ~1993
573092539169480499 ~1994
573102831146205679 ~1992
573104991146209999 ~1992
57312109171936327110 ~1994
573121974584975779 ~1993
Exponent Prime Factor Digits Year
573127191146254399 ~1992
573133911146267839 ~1992
573138711146277439 ~1992
573139035731390319 ~1993
573160431146320879 ~1992
573163275731632719 ~1993
573173631146347279 ~1992
573177831146355679 ~1992
573178613439071679 ~1993
573180831146361679 ~1992
573186711146373439 ~1992
573190791146381599 ~1992
573219898025078479 ~1994
573242511146485039 ~1992
573252013439512079 ~1993
573277191146554399 ~1992
573290574586324579 ~1993
573291711146583439 ~1992
573303231146606479 ~1992
573330711146661439 ~1992
573342413440054479 ~1993
573364395733643919 ~1993
57337663928870140710 ~1996
573378831146757679 ~1992
573399831146799679 ~1992
Exponent Prime Factor Digits Year
573412431146824879 ~1992
573435711146871439 ~1992
573439431146878879 ~1992
573449511146899039 ~1992
573464031146928079 ~1992
573479573440877439 ~1993
57347999103226398310 ~1994
573485031146970079 ~1992
573486195734861919 ~1993
573487191146974399 ~1992
573494031146988079 ~1992
573501591147003199 ~1992
57351079103231942310 ~1994
57351431562044023910 ~1996
57352429126175343910 ~1994
573535191147070399 ~1992
573551475735514719 ~1993
573563031147126079 ~1992
573590511147181039 ~1992
573612591147225199 ~1992
57362167688346004110 ~1996
573625311147250639 ~1992
573627173441763039 ~1993
57363821275346340910 ~1995
573651111147302239 ~1992
2123
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25-05-04