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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
13321823266436478 ~1987
13322399266447998 ~1987
133224293197382979 ~1989
13322651266453038 ~1987
13322843266456878 ~1987
133241511065932099 ~1988
13324873799492398 ~1988
133250571066004579 ~1988
133250571865507999
13325113799506798 ~1988
13325171266503438 ~1987
13325243266504878 ~1987
13325363266507278 ~1987
13325519266510398 ~1987
13325833799549998 ~1988
133260672398692079 ~1989
133263773198330499 ~1989
133264131865697839 ~1989
13326737799604238 ~1988
133274991066199939 ~1988
133276971066215779 ~1988
13327801799668078 ~1988
13327823266556478 ~1987
133278891865904479 ~1989
133280091066240739 ~1988
Exponent Prime Factor Digits Year
13328831266576638 ~1987
13329671266593438 ~1987
13329889199948335110 ~1991
13330199266603998 ~1987
133303491066427939 ~1988
13330379266607598 ~1987
13330679266613598 ~1987
13331471266629438 ~1987
13331573799894398 ~1988
13331819266636398 ~1987
13332017799921038 ~1988
13332311266646238 ~1987
13332551266651038 ~1987
13332563266651278 ~1987
13332637799958238 ~1988
133327011066616099 ~1988
133331711333317119 ~1988
133333731866672239 ~1989
133335174000055119 ~1990
13333543120001887110 ~1991
13333553800013198 ~1988
13333589200003835110 ~1991
13333679266673598 ~1987
13333739266674798 ~1987
13334423266688478 ~1987
Exponent Prime Factor Digits Year
133345071066760579 ~1988
13334663266693278 ~1987
13335011266700238 ~1987
13335251266705038 ~1987
13335323266706478 ~1987
13335551266711038 ~1987
13335901800154078 ~1988
13335923266718478 ~1987
133364571066916579 ~1988
133369371066954979 ~1988
13337003266740078 ~1987
133380111067040899 ~1988
13338119266762398 ~1987
13338203266764078 ~1987
13338719266774398 ~1987
13339283266785678 ~1987
133397272401150879 ~1989
13340111266802238 ~1987
13340279266805598 ~1987
13340423266808478 ~1987
13340521800431278 ~1988
13340581800434878 ~1988
13341143266822878 ~1987
13341221800473278 ~1988
13341323266826478 ~1987
Exponent Prime Factor Digits Year
133417014002510319 ~1990
13341791266835838 ~1987
133420031334200319 ~1988
133421577471607939 ~1990
13342463266849278 ~1987
13342853800571198 ~1988
13342859266857198 ~1987
133429371868011199 ~1989
13343483266869678 ~1987
13343579266871598 ~1987
133440411067523299 ~1988
13344503266890078 ~1987
13344563266891278 ~1987
13344641800678478 ~1988
13344671266893438 ~1987
133454218274161039 ~1990
13345463266909278 ~1987
13345499266909998 ~1987
13345679266913598 ~1987
13345883266917678 ~1987
13346161800769678 ~1988
13346219266924398 ~1987
133463532135416499 ~1989
13346579266931598 ~1987
13346681800800878 ~1988
1238
GIMPS The Prime Pages FactorDb.com
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26-03-08