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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
6988367559069378 ~1986
6988451139769038 ~1984
6988799139775998 ~1984
6988811559104898 ~1986
69888111257985999
6989063139781278 ~1984
6989369559149538 ~1986
6989519139790398 ~1984
6989537419372238 ~1986
69895812096874319 ~1987
6989819139796398 ~1984
6989821419389278 ~1986
6990041559203298 ~1986
6990161559212898 ~1986
6990337419420238 ~1986
6990419139808398 ~1984
6990427699042718 ~1986
69904632935994479 ~1988
6990673183155632710 ~1990
6990839139816798 ~1984
6991003699100318 ~1986
6991511139830238 ~1984
6991619139832398 ~1984
6991823139836478 ~1984
6991877419512638 ~1986
Exp. Prime Factor Digits Year
6992201419532078 ~1986
6992339139846798 ~1984
6992351559388098 ~1986
6992543139850878 ~1984
6992849978998878 ~1987
69930712237782739 ~1987
69931871678364899 ~1987
6993269559461538 ~1986
69934791678434979 ~1987
6993671139873438 ~1984
69936731538608079 ~1987
6993839139876798 ~1984
6994373979212238 ~1987
6994703139894078 ~1984
6994751559580098 ~1986
6994817559585378 ~1986
6995123139902478 ~1984
69952071259137279 ~1987
69953892098616719 ~1987
6995693419741598 ~1986
69960973218204639 ~1988
6996191139923838 ~1984
69962711119403379 ~1987
69964191259355439 ~1987
69964612658655199 ~1988
Exp. Prime Factor Digits Year
6996491139929838 ~1984
69968391679241379 ~1987
6996907699690718 ~1986
6997043139940878 ~1984
69970635737591679 ~1988
6997283139945678 ~1984
6997457419847438 ~1986
6997499559799938 ~1986
6997559139951198 ~1984
69975978397116419 ~1989
69976071679425699 ~1987
6997649559811938 ~1986
6997687699768718 ~1986
6998063139961278 ~1984
6998107699810718 ~1986
6998171139963438 ~1984
6998177419890638 ~1986
6998471139969438 ~1984
6998833419929998 ~1986
6999059139981198 ~1984
6999071559925698 ~1986
6999533419971998 ~1986
6999539139990798 ~1984
69996473919802339 ~1988
6999731139994638 ~1984
Exp. Prime Factor Digits Year
6999857419991438 ~1986
7000121560009698 ~1986
7000241420014478 ~1986
7000373420022398 ~1986
7000577420034638 ~1986
7000657420039438 ~1986
7000739140014798 ~1984
7000739560059138
7001003140020078 ~1984
7001021420061278 ~1986
70012373360593779 ~1988
70017131680411139 ~1987
7001723140034478 ~1984
7002019700201918 ~1986
7002053420123198 ~1986
7002071140041438 ~1984
7002397420143838 ~1986
7002491140049838 ~1984
70026371120421939 ~1987
7002899140057998 ~1984
7002917560233378 ~1986
7003021420181278 ~1986
7003091140061838 ~1984
7003097420185838 ~1986
7003639700363918 ~1986
850
GIMPS The Prime Pages FactorDb.com
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25-11-02