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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
396533126890578 1978
396563261731598 1978
39660163456177 1978
396629190381938 1978
3967197934396 1978
39688731750977 1978
39691939691917 1978
396931158772418 1978
396931190526898
396931381053778
3969837939676 1978
396997786054078 1978
397027349383778 1978
39709323825597 1978
397151222404578 1978
397153214462638 1978
397253413143138 1978
397289286048098 1978
397351349668898 1978
39735723841437 1978
39737395369537 1978
397433127178578 1978
397589127228498 1978
39759139759117 1978
39769723861837 1978
Exp. Prime Factor Digits Year
39772987500397 1978
3977517955036 1978
397751190920498
39775363640497 1978
397759159103618 1978
3977637955276 1978
39780763649137 1978
39781171605997 1978
397829310306638 1978
39795139795117 1978
39796363674097 1978
3979811337216179 1978
39805939805917 1978
39811323886797 1978
39811971661437 1978
398129119438718 1978
398171191122098 1978
39821323892797 1978
398219199109518 1978
39822739822717 1978
39826731861377 1978
39835755769997 1978
39841755778397 1978
3984237968476 1978
39847171724797 1978
Exp. Prime Factor Digits Year
398669215281278 1978
398681151498798 1978
39872931898337 1978
398759510411538 1978
398833159533218 1978
398989574544178 1978
3990717981436 1978
399079191557938 1978
3991317982636 1978
39915163864177 1978
3991971013960399 1978
39923931939137 1978
3992637985276 1978
399353127792978 1978
399481119844318 1978
39964339964317 1978
399689151881838 1978
39969139969117 1978
39976123985677 1978
399781183899278 1978
3997816396496019
39985131988097 1978
39985363976497 1978
39985395964737
39991323994797 1978
Exp. Prime Factor Digits Year
399913183959998
399941823878478 1978
40005140005117 1978
4001998003996 1978
40021724013037 1978
4003318006636 1978
4003918007836 1978
40040932032737 1978
40045732036577 1978
40061932049537 1978
4007038014076 1978
400739128236498 1978
400753160301218 1978
400823609250978 1978
40085932068737 1978
40094956132877 1978
400949128303698
40096340096317 1978
4009633728955919
401209312943038 1978
4012318024636 1978
40123724074237 1978
401321923038318 1978
401393409420878 1978
40147724088637 1978
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