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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
6984689558775138 ~1986
6984779139695598 ~1984
69852436286718719 ~1988
6985271139705438 ~1984
6985523139710478 ~1984
6985679558854338 ~1986
6985799139715998 ~1984
69858413912070979 ~1988
6985871139717438 ~1984
6985883139717678 ~1984
6985967558877378 ~1986
6986261558900898 ~1986
6986519139730398 ~1984
6986729558938338 ~1986
69867611117881779 ~1987
6986801419208078 ~1986
6987047558963778 ~1986
6987083139741678 ~1984
6987107558968578 ~1986
6987203139744078 ~1984
6987257419235438 ~1986
6987397419243838 ~1986
6987551139751038 ~1984
6987817419269038 ~1986
6987941419276478 ~1986
Exp. Prime Factor Digits Year
6987971139759438 ~1984
6988057419283438 ~1986
6988199139763998 ~1984
6988199559055938
6988211139764238 ~1984
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
6990673183155632710 ~1990
6990839139816798 ~1984
6991511139830238 ~1984
Exp. Prime Factor Digits Year
6991619139832398 ~1984
6991823139836478 ~1984
6991877419512638 ~1986
6992201419532078 ~1986
6992339139846798 ~1984
6992351559388098 ~1986
6992543139850878 ~1984
6992849978998878 ~1986
69930712237782739 ~1987
69931871678364899 ~1987
6993269559461538 ~1986
69934791678434979 ~1987
6993671139873438 ~1984
69936731538608079 ~1987
6993839139876798 ~1984
6994373979212238 ~1986
6994703139894078 ~1984
6994751559580098 ~1986
6994817559585378 ~1986
6995123139902478 ~1984
69953892098616719 ~1987
6995693419741598 ~1986
69960973218204639 ~1988
6996191139923838 ~1984
69962711119403379 ~1987
Exp. Prime Factor Digits Year
69964612658655199 ~1988
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
829
GIMPS The Prime Pages FactorDb.com
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25-05-04