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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
13978817838729038 ~1988
13978823279576478 ~1987
13979291279585838 ~1987
139794171118353379 ~1988
139795791118366339 ~1988
13979723279594478 ~1987
13979951279599038 ~1987
13980311279606238 ~1987
13980359279607198 ~1987
13980623279612478 ~1987
13980677838840638 ~1988
13980781838846878 ~1988
139807872516541679 ~1989
13980839279616798 ~1987
13980973838858398 ~1988
139812291118498339 ~1988
13981441838886478 ~1988
139814776711108979 ~1990
13981679279633598 ~1987
13981937838916238 ~1988
13982051279641038 ~1987
13982099279641998 ~1987
13982123279642478 ~1987
13983323279666478 ~1987
13983899279677998 ~1987
Exponent Prime Factor Digits Year
139843011118744099 ~1988
13984493839069598 ~1988
13984511279690238 ~1987
13984559279691198 ~1987
13984571279691438 ~1987
139849611118796899 ~1988
13985039279700798 ~1987
13985063279701278 ~1987
13985171279703438 ~1987
139852632237642099 ~1989
13985399279707998 ~1987
13985711279714238 ~1987
13986431279728638 ~1987
139864631398646319 ~1988
139865091118920739 ~1988
13986901839214078 ~1988
139871391118971139 ~1988
13987271279745438 ~1987
13987559279751198 ~1987
139878919232008079 ~1991
13988077839284638 ~1988
13988231279764638 ~1987
13988993839339598 ~1988
13989119279782398 ~1987
13989791279795838 ~1987
Exponent Prime Factor Digits Year
13990283279805678 ~1987
139907271119258179 ~1988
13991123279822478 ~1987
139914411119315299 ~1988
13991591279831838 ~1987
13992281839536878 ~1988
13992443167909316110 ~1991
139929072238865139 ~1989
13993403279868078 ~1987
139937112518867999 ~1989
139940691119525539 ~1988
13994219279884398 ~1987
13995251279905038 ~1987
139962434758722639 ~1990
13996379279927598 ~1987
139966511399665119 ~1988
139967533079285679 ~1989
13996919279938398 ~1987
139970777558421599 ~1990
13997279279945598 ~1987
139976173359428099 ~1989
13997663279953278 ~1987
13997801839868078 ~1988
13997999279959998 ~1987
13998113839886798 ~1988
Exponent Prime Factor Digits Year
139997873359948899 ~1989
14000183280003678 ~1987
14000461840027678 ~1988
14000579126005211110 ~1991
14000801840048078 ~1988
14000963280019278 ~1987
14001023112008184110 ~1991
140011073360265699 ~1989
14001371280027438 ~1987
14001419280028398 ~1987
14001563280031278 ~1987
14001671280033438 ~1987
14001941840116478 ~1988
14002139280042798 ~1987
14002223280044478 ~1987
140022672520408079 ~1989
14002811280056238 ~1987
140029971960419599 ~1989
14003219280064398 ~1987
14004131280082638 ~1987
14004383280087678 ~1987
14004443280088878 ~1987
140044512240712179 ~1989
14004779280095598 ~1987
14004911280098238 ~1987
1192
GIMPS The Prime Pages FactorDb.com
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25-04-13