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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
12498793749927598 ~1988
12498877749932638 ~1988
12499057749943438 ~1988
12499079249981598 ~1986
12499211249984238 ~1986
12499271249985438 ~1986
12499439249988798 ~1986
12499523249990478 ~1986
12499631249992638 ~1986
12499813749988798 ~1988
12500227150002724110 ~1991
12501353750081198 ~1988
12501623250032478 ~1986
12501899250037998 ~1986
12502033750121998 ~1988
12502079250041598 ~1986
12502153750129198 ~1988
12502643250052878 ~1986
12502943250058878 ~1986
12503723250074478 ~1986
12503759250075198 ~1986
125042636252131519 ~1990
12504923250098478 ~1986
125049291750690079 ~1989
125050391250503919 ~1988
Exponent Prime Factor Digits Year
12505151250103038 ~1986
12505331250106638 ~1986
12505631250112638 ~1986
12505637750338238 ~1988
12505763250115278 ~1986
125059039004250179 ~1990
12506233750373998 ~1988
125062332000997299
125063831250638319 ~1988
12506771250135438 ~1986
125071971751007599 ~1989
12507251250145038 ~1986
125074491000595939 ~1988
12508117750487038 ~1988
12508361750501678 ~1988
12508673750520398 ~1988
12508703250174078 ~1986
12508823250176478 ~1986
12508943250178878 ~1986
12509279250185598 ~1986
12509291250185838 ~1986
125092918256132079
12509363250187278 ~1986
125093772001500339 ~1989
125095791000766339 ~1988
Exponent Prime Factor Digits Year
12509699250193998 ~1986
12510517750631038 ~1988
12510937750656238 ~1988
12511199250223998 ~1986
125112077256500079 ~1990
12511463250229278 ~1986
12511621750697278 ~1988
12511757750705438 ~1988
12511777750706638 ~1988
12512039250240798 ~1986
12512063250241278 ~1986
12512077750724638 ~1988
12512303250246078 ~1986
125123892752725599 ~1989
12512579250251598 ~1986
12512639250252798 ~1986
12512723250254478 ~1986
12512953750777198 ~1988
12513101750786078 ~1988
12513401750804078 ~1988
12514223250284478 ~1986
12514451250289038 ~1986
12514571250291438 ~1986
12514751250295038 ~1986
12514981750898878 ~1988
Exponent Prime Factor Digits Year
12515317750919038 ~1988
12515603250312078 ~1986
12515759250315198 ~1986
12515903250318078 ~1986
12515963250319278 ~1986
125160591001284739 ~1988
125163791251637919 ~1988
12516613750996798 ~1988
12516659250333198 ~1986
12516793751007598 ~1988
12516863250337278 ~1986
125169795006791619 ~1990
125173392253121039 ~1989
12517679250353598 ~1986
12517943250358878 ~1986
12518351250367038 ~1986
12518483250369678 ~1986
12518711250374238 ~1986
125192391001539139 ~1988
12519421751165278 ~1988
12519581751174878 ~1988
12519779250395598 ~1986
12519791250395838 ~1986
12519911250398238 ~1986
125199111001592899
1200
GIMPS The Prime Pages FactorDb.com
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26-03-08