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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
3252121520339378 ~1984
3252217195133038 ~1983
325229965045997 ~1982
3252421195145278 ~1983
3252449260195938 ~1983
3252547585458478 ~1984
3252617195157038 ~1983
325277965055597 ~1982
3252833195169998 ~1983
3252871520459378 ~1984
3252877195172638 ~1983
3252961195177678 ~1983
325309165061837 ~1982
32533013578631119 ~1986
32533331496533199 ~1985
32534872147301439 ~1986
32535191366477999 ~1985
325355965071197 ~1982
325357165071437 ~1982
3253697195221838 ~1983
3254033195241998 ~1983
3254033455564638
3254071520651378 ~1984
325418365083677 ~1982
3254183846087598
Exp. Prime Factor Digits Year
3254219585759438 ~1984
3254221520675378 ~1984
3254227585760878 ~1984
3254393195263598 ~1983
3254731520756978 ~1984
325484365096877 ~1982
3254843406855375110
325507165101437 ~1982
32556496250846099 ~1987
325568365113677 ~1982
3255691520910578 ~1984
325577965115597 ~1982
3255779260462338
3255929455830078 ~1984
3256081195364878 ~1983
3256093520974898 ~1984
3256289260503138 ~1983
3256303325630318 ~1984
3256361260508898 ~1983
3256369716401198 ~1984
3256601195396078 ~1983
325687165137437 ~1982
325706365141277 ~1982
3257069455989678 ~1984
3257299162213490310 ~1988
Exp. Prime Factor Digits Year
3257347586322478 ~1984
3257609781826178 ~1984
3257777260622178 ~1983
325778365155677 ~1982
3258037195482238 ~1983
3258301195498078 ~1983
325832365166477 ~1982
325837165167437 ~1982
325838365167677 ~1982
3258499325849918 ~1984
325853965170797 ~1982
3258569456199678 ~1984
3258649716902798 ~1984
3258889782133378 ~1984
3259111586639998 ~1984
3259211260736898 ~1983
3259429717074398 ~1984
325943965188797 ~1982
3259457195567438 ~1983
3259471325947118 ~1984
3259567782296098 ~1984
3259717782332098 ~1984
3260017195601038 ~1983
3260041717209038 ~1984
326006365201277 ~1982
Exp. Prime Factor Digits Year
326011165202237 ~1982
3260143326014318 ~1984
3260371586866798 ~1984
326042365208477 ~1982
3260431326043118 ~1984
3260791521726578 ~1984
326087965217597 ~1982
326089165217837 ~1982
3260977521756338 ~1984
3261197195671838 ~1983
3261257195675438 ~1983
326129965225997 ~1982
3261317195679038 ~1983
326137165227437 ~1982
3261397195683838 ~1983
326153965230797 ~1982
326155165231037 ~1982
326180365236077 ~1982
326189965237997 ~1982
3261911848096878 ~1985
3262153195729198 ~1983
3262183521949298 ~1984
3262201521952178 ~1984
3262361142891411910 ~1988
326240365248077 ~1982
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