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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
24051011481020238 ~1989
240513731443082399 ~1990
24051623481032478 ~1989
240518035772432739 ~1991
24052201519527541710 ~1994
24052211481044238 ~1989
240527475772659299 ~1991
24052811481056238 ~1989
24053831481076638 ~1989
24053951481079038 ~1989
24054143481082878 ~1989
24054263481085278 ~1989
240544971924359779 ~1990
24054539481090798 ~1989
24054599481091998 ~1989
24054743481094878 ~1989
24054851481097038 ~1989
24056303481126078 ~1989
240566531443399199 ~1990
24056699481133998 ~1989
240567973849087539 ~1991
24057083481141678 ~1989
24057179481143598 ~1989
240572391924579139 ~1990
24058271481165438 ~1989
Exponent Prime Factor Digits Year
240582714330488799
24058283481165678 ~1989
240590531443543199 ~1990
24059351481187038 ~1989
24060131481202638 ~1989
24060719481214398 ~1989
240607191924857539
24061679481233598 ~1989
24061871481237438 ~1989
24062999481259998 ~1989
240630792406307919 ~1990
240635691925085539 ~1990
24064343481286878 ~1989
240653171443919039 ~1990
240654533369163439 ~1991
24065759481315198 ~1989
24065963481319278 ~1989
24066071481321438 ~1989
24066083481321678 ~1989
240666611443999679 ~1990
240670731444024399 ~1990
24067139481342798 ~1989
24067343481346878 ~1989
24067583481351678 ~1989
24067859481357198 ~1989
Exponent Prime Factor Digits Year
24069131481382638 ~1989
24069191481383838 ~1989
24069359481387198 ~1989
240694815295285839 ~1991
240695331444171999 ~1990
240702714332648799 ~1991
24070499481409998 ~1989
24070619481412398 ~1989
240708476258420239 ~1991
24070883481417678 ~1989
240710171444261039 ~1990
24071051481421038 ~1989
24071111481422238 ~1989
240711371444268239 ~1990
24071483481429678 ~1989
24072599481451998 ~1989
24072623481452478 ~1989
240733811444402879 ~1990
24073583481471678 ~1989
24073811481476238 ~1989
240738792407387919 ~1990
240740535296291679 ~1991
240741912407419119 ~1990
240742011444452079 ~1990
24074279481485598 ~1989
Exponent Prime Factor Digits Year
24074471481489438 ~1989
240744973851919539 ~1991
24074639481492798 ~1989
24074651481493038 ~1989
24075431481508638 ~1989
24075563481511278 ~1989
24075899481517998 ~1989
24076379481527598 ~1989
24076511481530238 ~1989
240772131444632799 ~1990
24077939481558798 ~1989
24078023481560478 ~1989
24078419481568398 ~1989
24078479481569598 ~1989
24079103481582078 ~1989
24079151481583038 ~1989
24079691481593838 ~1989
24079739481594798 ~1989
240798015297556239 ~1991
24079931481598638 ~1989
24080363481607278 ~1989
24080711481614238 ~1989
24081143481622878 ~1989
24081731481634638 ~1989
240818331444909999 ~1990
1654
GIMPS The Prime Pages FactorDb.com
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26-05-03