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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
13885213833112798 ~1988
13885253186062390310 ~1991
13885331277706638 ~1987
13885433833125998 ~1988
13885451277709038 ~1987
13885559277711198 ~1987
138856871388568719 ~1988
13885919277718398 ~1987
138862371944073199 ~1989
13886363277727278 ~1987
138867973332831299 ~1989
13887001833220078 ~1988
13887551277751038 ~1987
138875719999051139 ~1991
13887683277753678 ~1987
13887719277754398 ~1987
13887743277754878 ~1987
13888499277769998 ~1987
138892791111142339 ~1988
13889423277788478 ~1987
13889831277796638 ~1987
138898311111186499
13889951277799038 ~1987
138900315833813039 ~1990
138904693333712579 ~1989
Exponent Prime Factor Digits Year
13891211277824238 ~1987
13891463277829278 ~1987
138915134167453919 ~1990
13891819533445849710 ~1992
13891901833514078 ~1988
13891993833519598 ~1988
138922611111380899 ~1988
138924411111395299 ~1988
138925212222803379 ~1989
13892531277850638 ~1987
13892573833554398 ~1988
138928639169289599 ~1990
13893179277863598 ~1987
13893263277865278 ~1987
138933531945069439 ~1989
13893371277867438 ~1987
138936671389366719 ~1988
13893839277876798 ~1987
138939732223035699 ~1989
13894033833641998 ~1988
13894511277890238 ~1987
138945776669396979 ~1990
13894631277892638 ~1987
13895317833719038 ~1988
13895513833730798 ~1988
Exponent Prime Factor Digits Year
13895543277910878 ~1987
13895603277912078 ~1987
13895639277912798 ~1987
138956392501215039
13895641833738478 ~1988
13895977833758638 ~1988
13896119125065071110 ~1991
138961371945459199 ~1989
138962992501333839 ~1989
138963672501346079 ~1989
13896383277927678 ~1987
138968811111750499 ~1988
13897343277946878 ~1987
13897841833870478 ~1988
138980772223692339 ~1989
13898113189014336910 ~1991
138983511111868099 ~1988
13898411277968238 ~1987
13898663277973278 ~1987
13899071277981438 ~1987
13899311277986238 ~1987
13899443277988878 ~1987
138994437783688099
13899503277990078 ~1987
138999291111994339 ~1988
Exponent Prime Factor Digits Year
13900079278001598 ~1987
13900163278003278 ~1987
13900703278014078 ~1987
139008111112064899 ~1988
13901003278020078 ~1987
13901183278023678 ~1987
13901999278039998 ~1987
13902431278048638 ~1987
139026073336625699 ~1989
13902893834173598 ~1988
13902961834177678 ~1988
13903139278062798 ~1987
13903163278063278 ~1987
139033491112267939 ~1988
13903451278069038 ~1987
13903583278071678 ~1987
13903621834217278 ~1988
139036971112295779 ~1988
13903979278079598 ~1987
13904003278080078 ~1987
13904123278082478 ~1987
13904591278091838 ~1987
13904837834290238 ~1988
13904843278096878 ~1987
13904939278098798 ~1987
1188
GIMPS The Prime Pages FactorDb.com
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25-04-13