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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
5545871443669698 ~1985
55459131663773919 ~1987
5546393332783598 ~1985
55464791331154979 ~1986
5546483110929678 ~1984
5546543110930878 ~1984
5546753332805198 ~1985
5546771110935438 ~1984
5546903110938078 ~1984
5547011110940238 ~1984
5547247554724718 ~1985
5547277887564338 ~1986
5547317776624398 ~1986
5547371443789698 ~1985
5547467443797378 ~1985
55474992218999619 ~1987
5547599110951998 ~1984
5547733332863998 ~1985
5547779110955598 ~1984
5547863110957278 ~1984
5547911110958238 ~1984
5547959110959198 ~1984
5548013150905953710 ~1989
5548339554833918 ~1985
5548457443876578 ~1985
Exp. Prime Factor Digits Year
5548619110972398 ~1984
5548811110976238 ~1984
55488433995166979 ~1987
5548897332933838 ~1985
5548937443914978 ~1985
5548999554899918 ~1985
5549051110981038 ~1984
5549189443935138 ~1985
5549189776886478
5549393332963598 ~1985
5549587998925678 ~1986
5549591110991838 ~1984
5549617332977038 ~1985
5549657443972578 ~1985
5549891110997838 ~1984
55499279323877379 ~1988
5549977332998638 ~1985
5550059111001198 ~1984
5550439555043918 ~1985
55505292220211619 ~1987
5550683111013678 ~1984
5550733333043998 ~1985
5550967999174078 ~1986
5551037333062238 ~1985
5551079111021598 ~1984
Exp. Prime Factor Digits Year
5551321333079278 ~1985
5551829777256078 ~1986
5551853777259438 ~1986
5551921333115278 ~1985
5552003111040078 ~1984
55522311776713939 ~1987
5552381333142878 ~1985
5552411111048238 ~1984
5552581333154878 ~1985
5552773333166398 ~1985
55528191332676579 ~1986
55529471332707299 ~1986
5552971999534798 ~1986
5553083111061678 ~1984
5553211555321118 ~1985
5553211888513778
5553503111070078 ~1984
5553539111070798 ~1984
5553641444291298 ~1985
55538091666142719 ~1987
55538271443995039 ~1986
55538392776919519 ~1987
55538532554772399 ~1987
5553887444310978 ~1985
5553979555397918 ~1985
Exp. Prime Factor Digits Year
5554093333245598 ~1985
5554141333248478 ~1985
5554151111083038 ~1984
5554169444333538 ~1985
55542492999294479 ~1987
5554357333261438 ~1985
5554397777615598 ~1986
5554513333270798 ~1985
5554739111094798 ~1984
5555117444409378 ~1985
5555219111104398 ~1984
5555219444417538
5555233333313998 ~1985
5555237333314238 ~1985
5555237444418978
5555653333339198 ~1985
55558131333395139 ~1986
5555843111116878 ~1984
5555897444471778 ~1985
55558972111240879
55561371333472899 ~1986
5556143111122878 ~1984
5556217333373038 ~1985
5556251111125038 ~1984
5556311111126238 ~1984
757
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26-05-10