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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
282563956512797 ~1981
2825701169542078 ~1983
2825741169544478 ~1983
282575956515197 ~1981
2825821621680638 ~1984
2825957226076578 ~1983
2825959960826078 ~1984
28259591186902799
2826073169564398 ~1983
28261791186995199 ~1985
2826281226102498 ~1983
2826361169581678 ~1983
282643156528637 ~1981
282644356528877 ~1981
282662356532477 ~1981
2826671226133698 ~1983
2826727282672718 ~1983
2826737169604238 ~1983
2826757678421698 ~1984
282689956537997 ~1981
282704356540877 ~1981
2827109226168738 ~1983
2827159508888638 ~1984
282721156544237 ~1981
2827277395818798 ~1983
Exp. Prime Factor Digits Year
282740356548077 ~1981
282767956553597 ~1981
2827679226214338
2827679508982238
28281131809992339 ~1985
282821956564397 ~1981
2828257169695438 ~1983
2828297169697838 ~1983
2828297395961598
282836356567277 ~1981
2828429226274338 ~1983
2828453169707198 ~1983
2828491282849118 ~1983
2828717169723038 ~1983
28288932036802979 ~1985
2828923282892318 ~1983
282899956579997 ~1981
2829011509221998 ~1984
2829133169747998 ~1983
282925156585037 ~1981
282931156586237 ~1981
282947956589597 ~1981
2829557226364578 ~1983
2829569679096578 ~1984
282992356598477 ~1981
Exp. Prime Factor Digits Year
28300973792329999 ~1986
2830187226414978 ~1983
2830237169814238 ~1983
2830277396238798 ~1983
28305671358672179 ~1985
2830573452891698 ~1984
2830637169838238 ~1983
2830657169839438 ~1983
2830781169846878 ~1983
2830781226462498
283087156617437 ~1981
28310691528777279 ~1985
2831141169868478 ~1983
283145956629197 ~1981
2831561169893678 ~1983
283165156633037 ~1981
283166356633277 ~1981
2831687226534978 ~1983
2831861169911678 ~1983
2831861226548898
28318636626559439 ~1986
283190356638077 ~1981
2831947679667298 ~1984
2832031283203118 ~1983
283214356642877 ~1981
Exp. Prime Factor Digits Year
2832329396526078 ~1983
283235956647197 ~1981
2832371226589698 ~1983
2832569226605538 ~1983
2832589679821378 ~1984
2832617169957038 ~1983
2832793679870338 ~1984
2832953396613438 ~1983
283298356659677 ~1981
2833027509944878 ~1984
2833049849914718 ~1984
2833073169984398 ~1983
283313956662797 ~1981
2833199226655938 ~1983
2833247226659778 ~1983
2833403736684798 ~1984
2833447510020478 ~1984
28335171076736479 ~1984
2833529396694078 ~1983
283364356672877 ~1981
2833889226711138 ~1983
2833973170038398 ~1983
2834123680189538 ~1984
283417156683437 ~1981
2834203680208738 ~1984
480
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25-06-01