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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
5576573780720238 ~1986
5576891111537838 ~1984
5577191111543838 ~1984
5577449446195938 ~1985
5577839446227138 ~1985
5578031446242498 ~1985
5578073334684398 ~1985
5578451111569038 ~1984
5578763111575278 ~1984
55790333012677839 ~1987
5579053334743198 ~1985
5579227557922718 ~1985
5579377334762638 ~1985
5579461334767678 ~1985
5579591446367298 ~1985
5579771111595438 ~1984
5579963111599278 ~1984
5580143111602878 ~1984
5580247558024718 ~1985
5580299111605998 ~1984
5580563111611278 ~1984
5581171558117118 ~1985
55813433125552099 ~1987
5581363558136318 ~1985
55817338037695539 ~1988
Exp. Prime Factor Digits Year
5581871446549698 ~1985
55818711451286479
55820091786242899 ~1987
5582099111641998 ~1984
5582231111644638 ~1984
5582411111648238 ~1984
55824192344615999 ~1987
5582503558250318 ~1985
55826177592359139 ~1988
5582651446612098 ~1985
5582771111655438 ~1984
5582947558294718 ~1985
55832899379925539 ~1988
5583419111668398 ~1984
55839011228458239 ~1986
5583911111678238 ~1984
5583923111678478 ~1984
5584039558403918 ~1985
5584277335056638 ~1985
5584303558430318 ~1985
5584511111690238 ~1984
5584511446760898
5584739111694798 ~1984
5584913781887838 ~1986
55850775361673939 ~1988
Exp. Prime Factor Digits Year
5585219446817538 ~1985
5585291446823298 ~1985
5585543111710878 ~1984
5585663111713278 ~1984
5585807446864578 ~1985
5585977335158638 ~1985
5586131111722638 ~1984
5586239111724798 ~1984
5586239446899138
55863115474584799 ~1988
5586611446928898 ~1985
5586671111733438 ~1984
5586793335207598 ~1985
5586883558688318 ~1985
5587139111742798 ~1984
5587199111743998 ~1984
5587391446991298 ~1985
5587583111751678 ~1984
5587859111757198 ~1984
5588123111762478 ~1984
5588137335288238 ~1985
5588483111769678 ~1984
5588573335314398 ~1985
5588837782437198 ~1986
5588857894217138 ~1986
Exp. Prime Factor Digits Year
55890193576972179 ~1987
5589131447130498 ~1985
5589317335359038 ~1985
55893491229656799 ~1986
5589443111788878 ~1984
5589911111798238 ~1984
5590103111802078 ~1984
5590337447226978 ~1985
5590339559033918 ~1985
5590573335434398 ~1985
5590759559075918 ~1985
5590919111818398 ~1984
5591039111820798 ~1984
5591771675485936910 ~1990
5591819111836398 ~1984
55919871453916639 ~1986
5592011111840238 ~1984
5592131111842638 ~1984
55921991006595839 ~1986
5592227447378178 ~1985
5592733335563998 ~1985
55928271006708879 ~1986
5592919559291918 ~1985
55931711006770799 ~1986
5593319111866398 ~1984
723
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25-04-13