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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
40348331806966638 ~1990
40348823806976478 ~1990
40348991806979838 ~1990
40349579806991598 ~1990
403496693227973539 ~1992
40349819806996398 ~1990
40350083807001678 ~1990
40350743807014878 ~1990
40351271807025438 ~1990
40351379807027598 ~1990
40351511807030238 ~1990
403519071065290344911 ~1996
40352579807051598 ~1990
40352723807054478 ~1990
40352771807055438 ~1990
40353251807065038 ~1990
40353611807072238 ~1990
40353851807077038 ~1990
403545413228363299 ~1992
40355519807110398 ~1990
40355699807113998 ~1990
40355723807114478 ~1990
403557713228461699 ~1992
40355963807119278 ~1990
40355999807119998 ~1990
Exponent Prime Factor Digits Year
40356131807122638 ~1990
403563532421381199 ~1992
40356539807130798 ~1990
40356863807137278 ~1990
403570132421420799 ~1992
40357211807144238 ~1990
40357403807148078 ~1990
403581674035816719 ~1992
40358243807164878 ~1990
40358303807166078 ~1990
40358819807176398 ~1990
40359251807185038 ~1990
40360283807205678 ~1990
40361669153374342310 ~1994
40362383807247678 ~1990
40362851807257038 ~1990
40362923807258478 ~1990
40364039807280798 ~1990
40364591807291838 ~1990
40364903807298078 ~1990
40365911807318238 ~1990
40366031807320638 ~1990
403667932422007599 ~1992
403669013229352099 ~1992
403679812422078879 ~1992
Exponent Prime Factor Digits Year
40369139807382798 ~1990
40369523807390478 ~1990
40369559807391198 ~1990
403696397266535039 ~1993
40369919807398398 ~1990
40370329121110987110 ~1993
40370723807414478 ~1990
403712714037127119 ~1992
40371491807429838 ~1990
403716732422300399 ~1992
403720514037205119 ~1992
40372151807443038 ~1990
40372499807449998 ~1990
40373111807462238 ~1990
40373471807469438 ~1990
40373951807479038 ~1990
40374143807482878 ~1990
403745532422473199 ~1992
40374599807491998 ~1990
40375031807500638 ~1990
40375271807505438 ~1990
40375403807508078 ~1990
403761173230089379 ~1992
403767732422606399 ~1992
403770412422622479 ~1992
Exponent Prime Factor Digits Year
40377539807550798 ~1990
40377803807556078 ~1990
40378223807564478 ~1990
403783572422701439 ~1992
40378511807570238 ~1990
40378703807574078 ~1990
40379051807581038 ~1990
403791132422746799 ~1992
40379231807584638 ~1990
40379483807589678 ~1990
403795975653143599 ~1992
40379831807596638 ~1990
40379903807598078 ~1990
40380239807604798 ~1990
40380251807605038 ~1990
403810932422865599 ~1992
40381199807623998 ~1990
40381259807625198 ~1990
40381619807632398 ~1990
403818117268725999 ~1993
40382159807643198 ~1990
40382291807645838 ~1990
40382759807655198 ~1990
40383803807676078 ~1990
40384079807681598 ~1990
2159
GIMPS The Prime Pages FactorDb.com
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26-08-02