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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
30663323613266478 ~1989
30663683613273678 ~1989
30663719613274398 ~1989
30663779613275598 ~1989
30664079613281598 ~1989
30664591122658364110 ~1993
306646371839878239 ~1991
30664811613296238 ~1989
30664943613298878 ~1989
306656512453252099 ~1991
30665891613317838 ~1989
30666131613322638 ~1989
30666431613328638 ~1989
30666479613329598 ~1989
306665937359982339 ~1992
30666791613335838 ~1989
30666899613337998 ~1989
30667739613354798 ~1989
30667823613356478 ~1989
30668003613360078 ~1989
30668063613361278 ~1989
30668411613368238 ~1989
30668699613373998 ~1989
306687531840125199 ~1991
306691131840146799 ~1991
Exponent Prime Factor Digits Year
306691814907068979 ~1992
30669251613385038 ~1989
30669659613393198 ~1989
30670019613400398 ~1989
30670103613402078 ~1989
30670259613405198 ~1989
30670823613416478 ~1989
306709875520777679 ~1992
30671099613421998 ~1989
30671243613424878 ~1989
306715611840293679 ~1991
30671843613436878 ~1989
30672419613448398 ~1989
306727372453818979 ~1991
30673859613477198 ~1989
30674051613481038 ~1989
30674411613488238 ~1989
306744611840467679 ~1991
30674951613499038 ~1989
30675119613502398 ~1989
30675143613502878 ~1989
30675251613505038 ~1989
30675371613507438 ~1989
30676511613530238 ~1989
30676703613534078 ~1989
Exponent Prime Factor Digits Year
30677303613546078 ~1989
30677459613549198 ~1989
30677651613553038 ~1989
30678299613565998 ~1989
306785411840712479 ~1991
306788896749355599 ~1992
306791272454330179 ~1991
306792892454343139 ~1991
30679751613595038 ~1989
306799372454394979 ~1991
306820513068205119 ~1991
30682199613643998 ~1989
30682439613648798 ~1989
30682559613651198 ~1989
30683519613670398 ~1989
306835331841011999 ~1991
30684239613684798 ~1989
30684383613687678 ~1989
30684431613688638 ~1989
30684539613690798 ~1989
306850873068508719 ~1991
30685211613704238 ~1989
30685559613711198 ~1989
30685619613712398 ~1989
30685751613715038 ~1989
Exponent Prime Factor Digits Year
30685859613717198 ~1989
30686039613720798 ~1989
30686053122744212110 ~1993
306862374296073199 ~1992
30686651613733038 ~1989
30686783613735678 ~1989
306870772454966179 ~1991
30687131613742638 ~1989
30687743613754878 ~1989
306878595523814639 ~1992
30688019613760398 ~1989
306882412455059299 ~1991
30688523613770478 ~1989
30688631613772638 ~1989
306889371841336239 ~1991
306890811841344879 ~1991
30689363613787278 ~1989
30690311613806238 ~1989
30691163613823278 ~1989
30691691613833838 ~1989
30692639613852798 ~1989
306931397366353379 ~1992
30693263613865278 ~1989
30693779613875598 ~1989
30694019613880398 ~1989
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25-05-04