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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.
Exp. Prime Factor Digits Year
4945261296715678 ~1984
49452671186864099 ~1986
4945279494527918 ~1985
49453074450776319 ~1987
494551198910237 ~1983
4945639494563918 ~1985
49461291187070979 ~1986
49461911978476419 ~1986
494635198927037 ~1983
494641198928237 ~1983
4946411395712898
4946581296794878 ~1984
4946681296800878 ~1984
494672398934477 ~1983
4946731890411598 ~1986
4946833296809998 ~1984
4946939395755138 ~1985
49470293957623219 ~1987
4947043494704318 ~1985
4947521296851278 ~1984
4947653296859198 ~1984
494777998955597 ~1983
4947791395823298 ~1985
4948093296885598 ~1984
4948337692767198 ~1985
Exp. Prime Factor Digits Year
49483374750403539
4948613692805838 ~1985
494863198972637 ~1983
4949293296957598 ~1984
49495211088894639 ~1986
4949597296975838 ~1984
4949621296977278 ~1984
4949881296992878 ~1984
494989198997837 ~1983
4950133297007998 ~1984
4950137297008238 ~1984
4950259495025918 ~1985
495031199006237 ~1983
49504091089089999 ~1986
495047999009597 ~1983
4950509693071278 ~1985
495109199021837 ~1983
4951357792217138 ~1985
4951567495156718 ~1985
4951637396130978 ~1985
4951637693229198
495167999033597 ~1983
495170399034077 ~1983
495188399037677 ~1983
49518831188451939
Exp. Prime Factor Digits Year
495235199047037 ~1983
495254399050877 ~1983
4952671891480798 ~1986
49527431188658339 ~1986
495281999056397 ~1983
495305999061197 ~1983
4953271495327118 ~1985
495349199069837 ~1983
4953551396284098 ~1985
4953713693519838 ~1985
4953797396303778 ~1985
4953797693531598
4953997297239838 ~1984
495413999082797 ~1983
4954219495421918 ~1985
4954303495430318 ~1985
4954333297259998 ~1984
49545492675456479 ~1987
4954577396366178 ~1985
4954843495484318 ~1985
4954967396397378 ~1985
49552973964237619 ~1987
49554171486625119 ~1986
4955441396435298 ~1985
4955477396438178 ~1985
Exp. Prime Factor Digits Year
49555811982232419 ~1986
4955719495571918 ~1985
4955987396478978 ~1985
4956173297370398 ~1984
4956181297370878 ~1984
4956451495645118 ~1985
4956823495682318 ~1985
4956871171507736710 ~1989
495703199140637 ~1983
4957097396567778 ~1985
4957109693995278 ~1985
4957159892288638 ~1986
4957321297439278 ~1984
495755999151197 ~1983
495770399154077 ~1983
4957751396620098 ~1985
4957781297466878 ~1984
49578191189876579 ~1986
4957873297472398 ~1984
4958251793320178 ~1985
4958497312385311110 ~1989
49586171190068099 ~1986
4958651396692098 ~1985
4958659495865918 ~1985
495887999177597 ~1983
693
GIMPS The Prime Pages FactorDb.com
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25-11-17