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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
494305198861037 ~1983
494306398861277 ~1983
494311198862237 ~1983
4943357296601438 ~1984
4943441296606478 ~1984
49436411977456419 ~1986
49436771186482499 ~1986
4943693296621598 ~1984
4943711395496898 ~1985
494383198876637 ~1983
494384398876877 ~1983
4943921296635278 ~1984
4943927889906878 ~1986
494411998882397 ~1983
4944281296656878 ~1984
494443198888637 ~1983
494453998890797 ~1983
4944557395564578 ~1985
4944691890044398 ~1986
4944713692259838 ~1985
4944733296683998 ~1984
4944833296689998 ~1984
494489998897997 ~1983
494509198901837 ~1983
4945261296715678 ~1984
Exp. Prime Factor Digits Year
49452671186864099 ~1986
4945279494527918 ~1985
49453074450776319 ~1987
494551198910237 ~1983
4945639494563918 ~1985
49461291187070979 ~1986
49461911978476419 ~1986
494635198927037 ~1983
494641198928237 ~1983
4946411395712898
4946581296794878 ~1984
4946681296800878 ~1984
494672398934477 ~1983
4946731890411598 ~1986
4946833296809998 ~1984
4946939395755138 ~1985
49470293957623219 ~1987
4947043494704318 ~1985
4947521296851278 ~1984
4947653296859198 ~1984
494777998955597 ~1983
4947791395823298 ~1985
4948093296885598 ~1984
4948337692767198 ~1985
49483374750403539
Exp. Prime Factor Digits Year
494863198972637 ~1983
4949293296957598 ~1984
49495211088894639 ~1986
4949597296975838 ~1984
4949621296977278 ~1984
4949881296992878 ~1984
494989198997837 ~1983
4950133297007998 ~1984
4950137297008238 ~1984
4950259495025918 ~1985
495031199006237 ~1983
49504091089089999 ~1986
495047999009597 ~1983
4950509693071278 ~1985
495109199021837 ~1983
4951357792217138 ~1985
4951567495156718 ~1985
4951637396130978 ~1985
4951637693229198
495167999033597 ~1983
495170399034077 ~1983
495188399037677 ~1983
49518831188451939
495235199047037 ~1983
495254399050877 ~1983
Exp. Prime Factor Digits Year
4952671891480798 ~1986
49527431188658339 ~1986
495281999056397 ~1983
495305999061197 ~1983
4953271495327118 ~1985
495349199069837 ~1983
4953551396284098 ~1985
4953713693519838 ~1985
4953797396303778 ~1985
4953797693531598
4953997297239838 ~1984
495413999082797 ~1983
4954219495421918 ~1985
4954303495430318 ~1985
4954333297259998 ~1984
49545492675456479 ~1987
4954577396366178 ~1985
4954843495484318 ~1985
4954967396397378 ~1985
49552973964237619 ~1987
4955441396435298 ~1985
4955477396438178 ~1985
49555811982232419 ~1986
4955719495571918 ~1985
4955987396478978 ~1985
673
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25-04-13