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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
14566431514908739 ~1983
1456667116533378 ~1981
1456667815733538
1456691378739678 ~1982
1456703378742798 ~1982
1456709116536738 ~1981
1456799349631778 ~1982
1456877203962798 ~1981
14569211282090499 ~1983
1457039116563138 ~1981
145705129141037 ~1979
1457201116576098 ~1981
145727387436397 ~1980
1457333204026638 ~1981
1457501553850398 ~1982
145763387457997 ~1980
145766329153277 ~1979
145774187464477 ~1980
1457861437358318 ~1982
145799929159997 ~1979
1458011116640898 ~1981
145807129161437 ~1979
1458179612435198 ~1982
145823929164797 ~1979
1458343350002338 ~1982
Exp. Prime Factor Digits Year
1458409350018178 ~1982
1458593204203038 ~1981
145859929171997 ~1979
1458623350069538 ~1982
145867387520397 ~1980
1458713350091138 ~1982
145875787525437 ~1980
145884187530477 ~1980
145891129178237 ~1979
14590611050523939 ~1983
1459099145909918 ~1981
1459123350189538 ~1982
145915387549197 ~1980
1459153671210398
145916329183277 ~1979
145925929185197 ~1979
1459427262696878 ~1981
1459453233512498 ~1981
1459537437861118 ~1982
1459583467066578 ~1982
1459589437876718 ~1982
145969129193837 ~1979
145982329196477 ~1979
14598233415985839
145990187594077 ~1980
Exp. Prime Factor Digits Year
1459963145996318 ~1981
1459993788396238 ~1983
1460099116807938 ~1981
146017129203437 ~1979
1460177204424798 ~1981
14604973855712099 ~1984
146068187640877 ~1980
1460687116854978 ~1981
1460747262934478 ~1981
1460821233731378 ~1981
1460863350607138 ~1982
1460887518030530310 ~1987
146095129219037 ~1979
146100187660077 ~1980
146107787664637 ~1980
1461211146121118 ~1981
1461289438386718 ~1982
146156329231277 ~1979
1461587116926978 ~1981
146159929231997 ~1979
146162329232477 ~1979
146168329233677 ~1979
146173129234637 ~1979
1461731116938498
1461749467759698 ~1982
Exp. Prime Factor Digits Year
14618833069954319 ~1984
1462037116962978 ~1981
1462063146206318 ~1981
146219929243997 ~1979
1462249438674718 ~1982
1462319116985538 ~1981
146246329249277 ~1979
1462523614259678 ~1982
1462619263271438 ~1981
146267929253597 ~1979
146269129253837 ~1979
1462717672849838 ~1982
14627234475932399 ~1984
1462873438861918 ~1982
1462927234068338 ~1981
1463009117040738 ~1981
1463123351149538 ~1982
146317787790637 ~1980
146324329264877 ~1979
146345929269197 ~1979
1463471117077698 ~1981
1463503146350318 ~1981
1463507117080578 ~1981
1463563146356318 ~1981
1463569585427618 ~1982
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25-06-29