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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
6528971130579438 ~1984
65291771958753119 ~1987
6529517522361378 ~1986
6529541391772478 ~1985
65295731567097539 ~1987
65297635364853280911 ~1993
6529811130596238 ~1984
6529879652987918 ~1986
65299871175397679 ~1987
6530257391815438 ~1985
65303231044851699 ~1986
65303411044854579 ~1986
6530399130607998 ~1984
6530519130610398 ~1984
6530561391833678 ~1985
6530831130616638 ~1984
65309331567423939 ~1987
6531221391873278 ~1985
6531251130625038 ~1984
65314871175667679 ~1987
6531533914414638 ~1986
6531599130631998 ~1984
6531719130634398 ~1984
6531779130635598 ~1984
65317791175720239
Exp. Prime Factor Digits Year
6531857391911438 ~1985
65321292612851619 ~1987
6532283130645678 ~1984
65323811045180979 ~1986
6532399653239918 ~1986
6532439130648798 ~1984
65324691959740719 ~1987
65327392743750399 ~1987
6532763130655278 ~1984
6532769522621538 ~1986
65329871175937679 ~1987
6533159522652738 ~1986
6533453392007198 ~1985
6533459130669198 ~1984
6533707653370718 ~1986
6533759522700738 ~1986
6533951130679038 ~1984
6534197522735778 ~1986
6534617392077038 ~1985
6534743130694878 ~1984
6534751653475118 ~1986
65352131568451139 ~1987
65353871568492899 ~1987
6535541392132478 ~1985
6535553392133198 ~1985
Exp. Prime Factor Digits Year
65355535228442419
6535751130715038 ~1984
6535897392153838 ~1985
6536267522901378 ~1986
6536581392194878 ~1985
6536591130731838 ~1984
6536609522928738 ~1986
6536723130734478 ~1984
6536813392208798 ~1985
6536897392213838 ~1985
6537143130742878 ~1984
6537199653719918 ~1986
6537203130744078 ~1984
6537341392240478 ~1985
6537511653751118 ~1986
6537599130751998 ~1984
6537757392265438 ~1985
6537821392269278 ~1985
6537907653790718 ~1986
6537959130759198 ~1984
6538019130760398 ~1984
6538073392284398 ~1985
6538211130764238 ~1984
6538297392297838 ~1985
6538331523066498 ~1986
Exp. Prime Factor Digits Year
6538373392302398 ~1985
6538507653850718 ~1986
6538517392311038 ~1985
6538577392314638 ~1985
6538817523105378 ~1986
6539051130781038 ~1984
6539243130784878 ~1984
65393273269663519 ~1988
6539371653937118 ~1986
65393711046299379
6539531130790638 ~1984
6540103654010318 ~1986
6540251130805038 ~1984
6540431130808638 ~1984
6540451654045118 ~1986
6540557392433438 ~1985
6540557523244578
6540623130812478 ~1984
6541033392461998 ~1985
6541079130821598 ~1984
6541097392465838 ~1985
6541103130822078 ~1984
6541343130826878 ~1984
6541571130831438 ~1984
6541741124293079110 ~1989
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25-11-02