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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
159380992868857839 ~1990
15938291318765838 ~1987
159383932231375039 ~1989
159385011275080099 ~1989
15938651318773038 ~1987
15938753956325198 ~1988
15938963318779278 ~1987
15938999318779998 ~1987
15939551318791038 ~1987
15939881956392878 ~1988
15940163318803278 ~1987
15940559318811198 ~1987
15940751318815038 ~1987
15940921956455278 ~1988
15940993956459598 ~1988
15941603318832078 ~1987
159416873826004899 ~1990
15941819318836398 ~1987
15942359318847198 ~1987
15943019318860398 ~1987
15943079318861598 ~1987
159432591275460739 ~1989
15943379318867598 ~1987
159433791275470339
15943463318869278 ~1987
Exponent Prime Factor Digits Year
15944111318882238 ~1987
15944231318884638 ~1987
15944339318886798 ~1987
159445271594452719 ~1989
15944843318896878 ~1987
15945623318912478 ~1987
15945641956738478 ~1988
15945851318917038 ~1987
15945971318919438 ~1987
15946379318927598 ~1987
15946439318928798 ~1987
159468833827251939 ~1990
15947231318944638 ~1987
159473391275787139 ~1989
15947341956840478 ~1988
15947471318949438 ~1987
159475871594758719 ~1989
15947699318953998 ~1987
159482091275856739 ~1989
15948563318971278 ~1987
15948781956926878 ~1988
15948899318977998 ~1987
15949211318984238 ~1987
159492118931558179
15949523318990478 ~1987
Exponent Prime Factor Digits Year
15949679318993598 ~1987
15949691318993838 ~1987
159501591276012739 ~1989
15950279319005598 ~1987
159504976380198819 ~1990
15950999319019998 ~1987
15951059319021198 ~1987
15951863319037278 ~1987
15952283319045678 ~1987
159529312871527599 ~1990
159535011276280099 ~1989
15953999319079998 ~1987
159540799253365839 ~1991
15954671319093438 ~1987
15955139319102798 ~1987
15955151319103038 ~1987
15955319319106398 ~1987
15955619319112398 ~1987
15955631319112638 ~1987
15956141957368478 ~1988
15956159319123198 ~1987
15956639319132798 ~1987
15956663319133278 ~1987
15957041957422478 ~1988
15957059319141198 ~1987
Exponent Prime Factor Digits Year
15957251319145038 ~1987
15957731319154638 ~1987
15958139319162798 ~1987
159584633830031139 ~1990
15958643319172878 ~1987
15958861957531678 ~1988
159590111595901119 ~1989
159593033830232739 ~1990
15959351319187038 ~1987
15959759319195198 ~1987
15960083319201678 ~1987
15960313957618798 ~1988
15960359319207198 ~1987
159603891276831139 ~1989
15960419319208398 ~1987
15960661264946972710 ~1992
15960677957640638 ~1988
15961031319220638 ~1987
159614416384576419 ~1990
15961619319232398 ~1987
15961703319234078 ~1987
15961859319237198 ~1987
15961873957712398 ~1988
15962057957723438 ~1988
15962363319247278 ~1987
1269
GIMPS The Prime Pages FactorDb.com
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25-04-13