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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
27040763540815278 ~1989
270409912163279299 ~1991
27041039540820798 ~1989
270410411622462479 ~1990
270411432704114319 ~1991
27041291540825838 ~1989
27041771540835438 ~1989
27041831540836638 ~1989
27042419540848398 ~1989
27044351540887038 ~1989
27044651540893038 ~1989
27044879540897598 ~1989
27044903540898078 ~1989
270453531622721199 ~1990
27045611540912238 ~1989
27046199540923998 ~1989
27046559540931198 ~1989
27046619540932398 ~1989
27046751540935038 ~1989
270471173786596399 ~1991
27047243540944878 ~1989
27047519540950398 ~1989
27047591540951838 ~1989
270475912163807299
270477292163818339 ~1991
Exponent Prime Factor Digits Year
27047759540955198 ~1989
27048551540971038 ~1989
27048611540972238 ~1989
27049259540985198 ~1989
270493138114793919 ~1992
27049751540995038 ~1989
270505574328089139 ~1991
27051109210998650310 ~1993
27051119541022398 ~1989
27051191541023838 ~1989
27051659541033198 ~1989
27051863541037278 ~1989
27052189146081820710 ~1993
27052583541051678 ~1989
27052643541052878 ~1989
270528971623173839 ~1990
27053231541064638 ~1989
27053303541066078 ~1989
27053711541074238 ~1989
27053713275947872710 ~1993
27053879541077598 ~1989
27054179541083598 ~1989
270557811623346879 ~1990
27056219541124398 ~1989
270562334328997299 ~1991
Exponent Prime Factor Digits Year
27056339541126798 ~1989
270569898117096719 ~1992
27057011541140238 ~1989
27057743541154878 ~1989
270579292164634339 ~1991
27058103541162078 ~1989
27058259541165198 ~1989
27058331541166638 ~1989
27058463541169278 ~1989
27058571541171438 ~1989
27059003541180078 ~1989
27059531541190638 ~1989
27060023541200478 ~1989
27060083541201678 ~1989
27060359541207198 ~1989
27060419541208398 ~1989
270606292164850339 ~1991
270614572164916579 ~1991
270621531623729199 ~1990
27062471541249438 ~1989
27062531541250638 ~1989
270630411623782479 ~1990
27063251541265038 ~1989
270633079201524399 ~1992
27063671541273438 ~1989
Exponent Prime Factor Digits Year
27064003303116833710 ~1993
27064343541286878 ~1989
27064883541297678 ~1989
270654592165236739 ~1991
27066059541321198 ~1989
270662572165300579 ~1991
27066359541327198 ~1989
27066491541329838 ~1989
27066563541331278 ~1989
27067151541343038 ~1989
27067583541351678 ~1989
27067739541354798 ~1989
27067763541355278 ~1989
27067823541356478 ~1989
270680811624084879 ~1990
270689037037914799 ~1992
27069071541381438 ~1989
270691938120757919 ~1992
270696592165572739 ~1991
27069683541393678 ~1989
27070559541411198 ~1989
27070871541417438 ~1989
27071783541435678 ~1989
270717836497227939
27072011541440238 ~1989
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25-11-17