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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
40191059803821198 ~1990
40191443385837852910 ~1995
40191551803831038 ~1990
40191611803832238 ~1990
40192331803846638 ~1990
40193603803872078 ~1990
40194683803893678 ~1990
40194743803894878 ~1990
40194911803898238 ~1990
40195163803903278 ~1990
40195451803909038 ~1990
401954513215636099
401955532411733199 ~1992
40195643803912878 ~1990
40195751803915038 ~1990
40196459803929198 ~1990
401974197235535439 ~1993
40197779803955598 ~1990
40198139803962798 ~1990
40198703803974078 ~1990
40199063803981278 ~1990
40199651803993038 ~1990
40199759803995198 ~1990
401998212411989279 ~1992
40200203804004078 ~1990
Exponent Prime Factor Digits Year
40200731804014638 ~1990
402009473216075779 ~1992
40201103804022078 ~1990
402014393216115139 ~1992
40202003804040078 ~1990
40202159804043198 ~1990
40202243804044878 ~1990
40202819804056398 ~1990
40203851804077038 ~1990
40204091804081838 ~1990
402041397236745039 ~1993
40205183804103678 ~1990
402054412412326479 ~1992
40205471804109438 ~1990
402057012412342079 ~1992
40206203804124078 ~1990
40206539804130798 ~1990
40206851804137038 ~1990
40207319804146398 ~1990
40207523804150478 ~1990
40207991804159838 ~1990
402085932412515599 ~1992
40208951804179038 ~1990
40209023804180478 ~1990
40209419804188398 ~1990
Exponent Prime Factor Digits Year
402094193216753539
40210223804204478 ~1990
40210679804213598 ~1990
402107176433714739 ~1993
40210871804217438 ~1990
40210931804218638 ~1990
40211459804229198 ~1990
40212059804241198 ~1990
40212143804242878 ~1990
40213571804271438 ~1990
40214243804284878 ~1990
40214411804288238 ~1990
402150372412902239 ~1992
40215671804313438 ~1990
40216763804335278 ~1990
40216931804338638 ~1990
40217003804340078 ~1990
40217063804341278 ~1990
40217711804354238 ~1990
40217783804355678 ~1990
40217951804359038 ~1990
40218037740011880910 ~1995
402181274021812719 ~1992
40218779804375598 ~1990
40219799804395998 ~1990
Exponent Prime Factor Digits Year
40220039804400798 ~1990
402205276435284339 ~1993
40220639804412798 ~1990
40220783804415678 ~1990
40221059804421198 ~1990
40221431804428638 ~1990
40221743804434878 ~1990
40222223804444478 ~1990
40222433321779464110 ~1994
402229332413375999 ~1992
40223303804466078 ~1990
402233116435729779 ~1993
40223831804476638 ~1990
40223951804479038 ~1990
40224179804483598 ~1990
40224599804491998 ~1990
402246972413481839 ~1992
40225103804502078 ~1990
40225151804503038 ~1990
402252436436038899 ~1993
40225319804506398 ~1990
40225379804507598 ~1990
40225583804511678 ~1990
40226423804528478 ~1990
40227179804543598 ~1990
2146
GIMPS The Prime Pages FactorDb.com
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26-07-05