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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.
Exp. Prime Factor Digits Year
84355792024538979
8435711168714238 ~1985
8435743843574318 ~1987
8435831168716638 ~1985
8435939168718798 ~1985
8436023168720478 ~1985
8436353506181198 ~1986
8436499843649918 ~1987
8436599674927938 ~1987
8436671168733438 ~1985
84366716074403139
8436809674944738 ~1987
8436977674958178 ~1987
8437181674974498 ~1987
8437211168744238 ~1985
8437433506245998 ~1986
8437727675018178 ~1987
8437733506263998 ~1986
8437861506271678 ~1986
8437931168758638 ~1985
8438141506288478 ~1986
8438351168767038 ~1985
8438377506302638 ~1986
8438399168767998 ~1985
8438407843840718 ~1987
Exp. Prime Factor Digits Year
8438459168769198 ~1985
8438483168769678 ~1985
8438657675092578 ~1987
8438761506325678 ~1986
8439251168785038 ~1985
8439443168788878 ~1985
8439479168789598 ~1985
8439503168790078 ~1985
8439581506374878 ~1986
8439601506376078 ~1986
8440193506411598 ~1986
8440343168806878 ~1985
8440391168807838 ~1985
8440511168810238 ~1985
8440979168819598 ~1985
8441057675284578 ~1987
84410874220543519 ~1989
84413692025928579 ~1988
8441423168828478 ~1985
8441539844153918 ~1987
8441737506504238 ~1986
8441831168836638 ~1985
8442029675362338 ~1987
8442271844227118 ~1987
8442359675388738 ~1987
Exp. Prime Factor Digits Year
8442437675394978 ~1987
84427676754213619 ~1989
8442779168855598 ~1985
8442781506566878 ~1986
8443079168861598 ~1985
8443117506587038 ~1986
8443199675455938 ~1987
8443361506601678 ~1986
8443453506607198 ~1986
84436511519857199 ~1987
84437092701986899 ~1988
8443913506634798 ~1986
8444003168880078 ~1985
8444123168882478 ~1985
8444363168887278 ~1985
8444573506674398 ~1986
8444591168891838 ~1985
84449571182293999 ~1987
84455231351283699 ~1987
84456013378240419 ~1988
8445683168913678 ~1985
8445707675656578 ~1987
8445961506757678 ~1986
8446019168920398 ~1985
8446019675681538
Exp. Prime Factor Digits Year
8446063844606318 ~1987
8446283168925678 ~1985
8446421675713698 ~1987
8446913506814798 ~1986
8446979168939598 ~1985
8447111168942238 ~1985
8447171675773698 ~1987
8447177506830638 ~1986
8447423168948478 ~1985
8447591168951838 ~1985
8447653506859198 ~1986
8447711168954238 ~1985
8448017506881038 ~1986
8448197506891838 ~1986
8448431168968638 ~1985
84484312196592079
8448551168971038 ~1985
8448851168977038 ~1985
8449097506945838 ~1986
8449139168982798 ~1985
8449223168984478 ~1985
8449361506961678 ~1986
8449409675952738 ~1987
8449439168988798 ~1985
8449513506970798 ~1986
977
GIMPS The Prime Pages FactorDb.com
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26-07-05