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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
555078111110156239 ~1991
555102711110205439 ~1991
555108174440865379 ~1993
555113991110227999 ~1991
555119991110239999 ~1991
555120711110241439 ~1991
555158511110317039 ~1991
555161511110323039 ~1991
555177711110355439 ~1991
555185631110371279 ~1991
555198231110396479 ~1991
555200511110401039 ~1991
555205791110411599 ~1991
555206391110412799 ~1991
555211311110422639 ~1991
555233173331399039 ~1993
555238431110476879 ~1991
555262311110524639 ~1991
555262911110525839 ~1991
555297177774160399 ~1994
555300111110600239 ~1991
555329337774610639 ~1994
55534117222136468110 ~1995
555373431110746879 ~1991
555374631110749279 ~1991
Exponent Prime Factor Digits Year
555404511110809039 ~1991
555406311110812639 ~1991
555424191110848399 ~1991
555429675554296719 ~1993
555434511110869039 ~1991
555447591110895199 ~1991
555464991110929999 ~1991
555472013332832079 ~1993
555493799998888239 ~1994
555504591111009199 ~1991
555507231111014479 ~1991
555507831111015679 ~1991
555510111111020239 ~1991
555510711111021439 ~1991
555522231111044479 ~1991
555523911111047839 ~1991
555528111111056239 ~1991
555545031111090079 ~1991
555556791111113599 ~1991
555571791111143599 ~1991
555574213333445279 ~1993
555577911111155839 ~1991
555578631111157279 ~1991
555583338889333299 ~1994
555584274444674179 ~1993
Exponent Prime Factor Digits Year
555604133333624799 ~1993
555604431111208879 ~1991
555610431111220879 ~1991
555612831111225679 ~1991
555630231111260479 ~1991
555648773333892639 ~1993
555656631111313279 ~1991
555657591111315199 ~1991
555678173334069039 ~1993
555685311111370639 ~1991
555705231111410479 ~1991
555717773334306639 ~1993
555723294445786339 ~1993
555732373334394239 ~1993
555736311111472639 ~1991
555744711111489439 ~1991
55574627144494030310 ~1994
555761274446090179 ~1993
555782694446261539 ~1993
555799431111598879 ~1991
555829573334977439 ~1993
555835431111670879 ~1991
555835791111671599 ~1991
555849111111698239 ~1991
555849831111699679 ~1991
Exponent Prime Factor Digits Year
55591297166773891110 ~1994
555920391111840799 ~1991
555934911111869839 ~1991
555948231111896479 ~1991
555952311111904639 ~1991
555954711111909439 ~1991
555975111111950239 ~1991
555977773335866639 ~1993
555991074447928579 ~1993
555993111111986239 ~1991
555996111111992239 ~1991
556008231112016479 ~1991
556032831112065679 ~1991
556056591112113199 ~1991
556058178896930739 ~1994
556066791112133599 ~1991
556067511112135039 ~1991
556070991112141999 ~1991
55609493400388349710 ~1995
55610041122342090310 ~1994
556102311112204639 ~1991
556107711112215439 ~1991
55611547266935425710 ~1995
556116231112232479 ~1991
556130031112260079 ~1991
2105
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25-05-04