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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
3741653523831438 ~1984
3741737224504238 ~1983
3742033598725298 ~1985
3742133224527998 ~1983
37422675987627219 ~1987
374228374845677 ~1982
374239174847837 ~1982
3742477224548638 ~1983
374252374850477 ~1982
3742621598819378 ~1985
374263174852637 ~1982
3742631673673598
3742681823389838 ~1985
3742861224571678 ~1983
374303974860797 ~1982
374330374866077 ~1982
3743393334659334310 ~1989
3743479374347918 ~1984
374354374870877 ~1982
3743599374359918 ~1984
3743657524111998 ~1984
3743683374368318 ~1984
37436833369314719
3743699299495938 ~1984
37437371123121119 ~1985
Exp. Prime Factor Digits Year
374384374876877 ~1982
37439031198048979 ~1985
3744089524172478 ~1984
3744133599061298 ~1985
3744253224655198 ~1983
374443174888637 ~1982
374455174891037 ~1982
3744647299571778 ~1984
374473174894637 ~1982
3744737299578978 ~1984
3744953224697198 ~1983
374497174899437 ~1982
3745087674115678 ~1985
3745111599217778 ~1985
374521174904237 ~1982
3745241224714478 ~1983
3745531599284978 ~1985
3745631299650498 ~1984
3745789824073598 ~1985
374581174916237 ~1982
3745829524416078 ~1984
374605174921037 ~1982
3746201299696098 ~1984
37462091123862719 ~1985
37463872472615439 ~1986
Exp. Prime Factor Digits Year
374639974927997 ~1982
374647174929437 ~1982
37465132098047299 ~1986
374665174933037 ~1982
3746671599467378 ~1985
3746767374676718 ~1984
3747097224825838 ~1983
3747223599555698 ~1985
374737174947437 ~1982
374747974949597 ~1982
3747547599607538 ~1985
3747547899411298
37475871439073408111 ~1990
37476295921253839 ~1987
3747649899435778 ~1985
3747707974403838 ~1985
3747713224862798 ~1983
3747917299833378 ~1984
3747979374797918 ~1984
3748141599702578 ~1985
3748207899569698 ~1985
374857174971437 ~1982
374888374977677 ~1982
37488891124666719 ~1985
3748967899752098 ~1985
Exp. Prime Factor Digits Year
3749329824852398 ~1985
37493931124817919 ~1985
3749533224971998 ~1983
37496574724567839 ~1987
374977174995437 ~1982
37499512099972579 ~1986
375020375004077 ~1982
3750221225013278 ~1983
3750361225021678 ~1983
3750493110264494310 ~1988
3750701300056098 ~1984
375073175014637 ~1982
3750731300058498
3750751375075118 ~1984
375128375025677 ~1982
375134375026877 ~1982
3751381225082878 ~1983
3751597225095838 ~1983
375170375034077 ~1982
3751753225105198 ~1983
3751777600284338 ~1985
3751871300149698 ~1984
3752069525289678 ~1984
3752081225124878 ~1983
375215975043197 ~1982
570
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25-05-04