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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
270547154109437 ~1981
270551954110397 ~1981
2705617162337038 ~1982
270566354113277 ~1981
2705819156396338310 ~1987
2705821162349278 ~1982
2705831487049598 ~1984
2705909378827278 ~1983
2705957216476578 ~1983
2705981162358878 ~1982
27059935411986019 ~1986
2706149811844718 ~1984
27062571461378799 ~1985
270641954128397 ~1981
2706437378901198 ~1983
270644354128877 ~1981
2706481433036978 ~1983
2706673162400398 ~1982
270671954134397 ~1981
27067932598521299 ~1985
270692354138477 ~1981
2706967270696718 ~1983
2706967433114738
2707039113154230310 ~1987
270707954141597 ~1981
Exp. Prime Factor Digits Year
2707127487282878 ~1984
270716354143277 ~1981
270728354145677 ~1981
2707459649790178 ~1984
270749954149997 ~1981
270773954154797 ~1981
2707781162466878 ~1982
2707799216623938 ~1983
270809954161997 ~1981
2708099866591698
27081771462415599 ~1985
27082011029116399 ~1984
2708213379149838 ~1983
270824354164877 ~1981
2708261162495678 ~1982
2708261866643538
2708309379163278 ~1983
2708417379178398 ~1983
2708429216674338 ~1983
2708477379186798 ~1983
27085091083403619 ~1984
2708557433369138 ~1983
2708581433372978 ~1983
2708597379203598 ~1983
2708633162517998 ~1982
Exp. Prime Factor Digits Year
2708647487556478 ~1984
2708669216693538 ~1983
27087532979628319 ~1985
27087671083506819 ~1984
2708801162528078 ~1982
270887954177597 ~1981
270890354178077 ~1981
2708903650136738
270899954179997 ~1981
270902354180477 ~1981
2709061595993438 ~1984
2709073162544398 ~1982
2709107216728578 ~1983
27092831733941139 ~1985
27092932167434419 ~1985
2709313812793918 ~1984
270935954187197 ~1981
2709467216757378 ~1983
2709643270964318 ~1983
27097676069878099 ~1986
2709787270978718 ~1983
2709877162592638 ~1982
27098873251864419 ~1986
2709899216791938 ~1983
2710193162611598 ~1982
Exp. Prime Factor Digits Year
2710241162614478 ~1982
2710289379440478 ~1983
2710373867319378 ~1984
271043954208797 ~1981
2710457379463998 ~1983
2710663433706098 ~1983
2710889867484498 ~1984
2710921162655278 ~1982
2710937379531198 ~1983
271094354218877 ~1981
2711087704882638 ~1984
271123154224637 ~1981
2711399216911938 ~1983
2711461162687678 ~1982
271178354235677 ~1981
2712161216972898 ~1983
271217954243597 ~1981
2712293650950338 ~1984
271237154247437 ~1981
2712377216990178 ~1983
271249154249837 ~1981
2712883271288318 ~1983
27129431139436079 ~1984
271297154259437 ~1981
2712989379818478 ~1983
464
GIMPS The Prime Pages FactorDb.com
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25-04-13