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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
554879631109759279 ~1992
554880711109761439 ~1992
554883711109767439 ~1992
554890191109780399 ~1992
554893911109787839 ~1992
554902878878445939 ~1994
554903991109807999 ~1992
554904231109808479 ~1992
554904711109809439 ~1992
554904894439239139 ~1993
554905311109810639 ~1992
554905733329434399 ~1993
554907831109815679 ~1992
55491539133179693710 ~1994
554925133329550799 ~1993
554932614439460899 ~1993
554937231109874479 ~1992
554942511109885039 ~1992
554963773329782639 ~1993
554971311109942639 ~1992
554984511109969039 ~1992
554985591109971199 ~1992
554989791109979599 ~1992
555013431110026879 ~1992
555019333330115999 ~1993
Exponent Prime Factor Digits Year
555043431110086879 ~1992
555060231110120479 ~1992
555078111110156239 ~1992
555102711110205439 ~1992
555108174440865379 ~1993
555113991110227999 ~1992
555114711110229439 ~1992
555119991110239999 ~1992
555120711110241439 ~1992
555142431110284879 ~1992
555158511110317039 ~1992
555161511110323039 ~1992
555177711110355439 ~1992
555185631110371279 ~1992
555198231110396479 ~1992
555200511110401039 ~1992
555205791110411599 ~1992
555206391110412799 ~1992
555211311110422639 ~1992
555233173331399039 ~1993
555238431110476879 ~1992
555244933331469599 ~1993
55524731144364300710 ~1994
555262311110524639 ~1992
555262911110525839 ~1992
Exponent Prime Factor Digits Year
555297177774160399 ~1994
555300111110600239 ~1992
555321111110642239 ~1992
555322191110644399 ~1992
555329337774610639 ~1994
55534117222136468110 ~1995
55535099133284237710 ~1994
555373431110746879 ~1992
555374631110749279 ~1992
555404511110809039 ~1992
555406311110812639 ~1992
555424191110848399 ~1992
555429675554296719 ~1993
555434511110869039 ~1992
555447591110895199 ~1992
555463431110926879 ~1992
555464991110929999 ~1992
555472013332832079 ~1993
555493799998888239 ~1994
555493911110987839 ~1992
555504591111009199 ~1992
555507231111014479 ~1992
555507831111015679 ~1992
555510111111020239 ~1992
555510711111021439 ~1992
Exponent Prime Factor Digits Year
555522231111044479 ~1992
555523911111047839 ~1992
555528111111056239 ~1992
555545031111090079 ~1992
555556791111113599 ~1992
555571791111143599 ~1992
555574213333445279 ~1993
555577911111155839 ~1992
555578631111157279 ~1992
555583338889333299 ~1994
555584274444674179 ~1993
555592791111185599 ~1992
555604133333624799 ~1993
555604431111208879 ~1992
555610431111220879 ~1992
555612831111225679 ~1992
555630231111260479 ~1992
555648773333892639 ~1993
555656631111313279 ~1992
555657591111315199 ~1992
555678173334069039 ~1993
555685311111370639 ~1992
555705231111410479 ~1992
555717773334306639 ~1993
555723294445786339 ~1993
2311
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5.486.313 digits 		e-mail
26-04-05