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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
40542179810843598 ~1990
40542251810845038 ~1990
405423732432542399 ~1992
40543199810863998 ~1990
40544183810883678 ~1990
40545143810902878 ~1990
40545203810904078 ~1990
40545311810906238 ~1990
40545959810919198 ~1990
40546763810935278 ~1990
40546823810936478 ~1990
40547051810941038 ~1990
40547399810947998 ~1990
40547651810953038 ~1990
40547939810958798 ~1990
40548143810962878 ~1990
40548659810973198 ~1990
40549031810980638 ~1990
405490735676870239 ~1993
40549571810991438 ~1990
40549763810995278 ~1990
40549979810999598 ~1990
40550683137872322310 ~1993
40551191811023838 ~1990
40551299811025998 ~1990
Exponent Prime Factor Digits Year
40551431811028638 ~1990
40552103811042078 ~1990
40552283811045678 ~1990
40552331811046638 ~1990
40552511811050238 ~1990
40552559811051198 ~1990
40553399811067998 ~1990
40553459811069198 ~1990
40553603811072078 ~1990
40554263811085278 ~1990
40555019811100398 ~1990
405552018922144239 ~1993
405555173244441379 ~1992
40555583811111678 ~1990
40556363811127278 ~1990
40556591811131838 ~1990
405573132433438799 ~1992
40557479811149598 ~1990
40557683811153678 ~1990
40557719811154398 ~1990
40557983811159678 ~1990
40558151811163038 ~1990
40558811811176238 ~1990
40559003811180078 ~1990
40559411811188238 ~1990
Exponent Prime Factor Digits Year
40560119811202398 ~1990
40560203811204078 ~1990
40560263811205278 ~1990
40560673162242692110 ~1994
40560743811214878 ~1990
405612532433675199 ~1992
40561571811231438 ~1990
40562003811240078 ~1990
405627412433764479 ~1992
40562759811255198 ~1990
405631816490108979 ~1993
40564103811282078 ~1990
40565099811301998 ~1990
40565711811314238 ~1990
40565831811316638 ~1990
405661913245295299 ~1992
40566371811327438 ~1990
40567463811349278 ~1990
405688612434131679 ~1992
40568939811378798 ~1990
40569299811385998 ~1990
40569311811386238 ~1990
40569923811398478 ~1990
40570223811404478 ~1990
40570319811406398 ~1990
Exponent Prime Factor Digits Year
40570451811409038 ~1990
405714372434286239 ~1992
40571831811436638 ~1990
40572611811452238 ~1990
405726914057269119 ~1992
40572971811459438 ~1990
40573691811473838 ~1990
40573763811475278 ~1990
40573859811477198 ~1990
40573919811478398 ~1990
405745612434473679 ~1992
40575179811503598 ~1990
40575191811503838 ~1990
405752532434515199 ~1992
405760495680646879 ~1993
40576619811532398 ~1990
40577051811541038 ~1990
40577219811544398 ~1990
405779212434675279 ~1992
40578071811561438 ~1990
40578143811562878 ~1990
40578491811569838 ~1990
40579499811589998 ~1990
40579919811598398 ~1990
40580159811603198 ~1990
2164
GIMPS The Prime Pages FactorDb.com
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26-08-02