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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
131562616051880079
13156597789395838 ~1988
13156877789412638 ~1988
13157293789437598 ~1988
13157377789442638 ~1988
13157437789446238 ~1988
1315797161813516163912 ~1997
13158023263160478 ~1987
13158443263168878 ~1987
13158577789514638 ~1988
13158661789519678 ~1988
131587011052696099 ~1988
131587638421608339 ~1990
13158857789531438 ~1988
13159043263180878 ~1987
13159379263187598 ~1987
13160291263205838 ~1987
13160831263216638 ~1987
131608371842517199 ~1989
13161191263223838 ~1987
13161301789678078 ~1988
13161503263230078 ~1987
13161593789695598 ~1988
13162043263240878 ~1987
13162151263243038 ~1987
Exponent Prime Factor Digits Year
13162211263244238 ~1987
13162559263251198 ~1987
131628891053031139 ~1988
13162931263258638 ~1987
13163063263261278 ~1987
13163099263261998 ~1987
13163879263277598 ~1987
13164251263285038 ~1987
131642513422705279
13164301789858078 ~1988
13164719263294398 ~1987
131647573159541699 ~1989
13165121789907278 ~1988
13165583263311678 ~1987
131656271316562719 ~1988
13166123263322478 ~1987
13166341789980478 ~1988
13166759263335198 ~1987
13166771263335438 ~1987
13166801790008078 ~1988
131672391053379139 ~1988
13167359263347198 ~1987
13167743263354878 ~1987
13168763263375278 ~1987
13169021790141278 ~1988
Exponent Prime Factor Digits Year
13169231263384638 ~1987
131694372107109939 ~1989
13169531263390638 ~1987
131695311053562499
13169771263395438 ~1987
131698991316989919 ~1988
13169939263398798 ~1987
13170413790224798 ~1988
13170431263408638 ~1987
13170721790243278 ~1988
13171271263425438 ~1987
13171861790311678 ~1988
13171877790312638 ~1988
131718771717612760911
13171973790318398 ~1988
13172051263441038 ~1987
13172053790323198 ~1988
13172221790333278 ~1988
13172231263444638 ~1987
13172363263447278 ~1987
13172531263450638 ~1987
131725733161417539 ~1989
131726331844168639 ~1989
13172651263453038 ~1987
13173001790380078 ~1988
Exponent Prime Factor Digits Year
13173313790398798 ~1988
131733311317333119 ~1988
13173599263471998 ~1987
13173911263478238 ~1987
13174037790442238 ~1988
13174151263483038 ~1987
13174321790459278 ~1988
131743631317436319 ~1988
13174417790465038 ~1988
13174823263496478 ~1987
13174943263498878 ~1987
13175273790516398 ~1988
13175339263506798 ~1987
131754111054032899 ~1988
13175579263511598 ~1987
13175893790553598 ~1988
13176077790564638 ~1988
13176239263524798 ~1987
131762595270503619 ~1990
13176341790580478 ~1988
13176473790588398 ~1988
13176491263529838 ~1987
13176743263534878 ~1987
13176973790618398 ~1988
13176983263539678 ~1987
1256
GIMPS The Prime Pages FactorDb.com
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26-07-19