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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
6295769503661538 ~1986
62958792644269199 ~1987
6296141377768478 ~1985
6296159503692738 ~1986
6296377377782638 ~1985
6296573377794398 ~1985
62966515037320819 ~1988
6296831125936638 ~1984
6296833377809998 ~1985
6297383125947678 ~1984
6297419125948398 ~1984
6297419503793538
6297763629776318 ~1986
6297997377879838 ~1985
6298079125961598 ~1984
6298163125963278 ~1984
6298199125963998 ~1984
6298393377903598 ~1985
6298421377905278 ~1985
6298613377916798 ~1985
62986271133752879 ~1986
6298931125978638 ~1984
6298933377935998 ~1985
6298939629893918 ~1986
6299459503956738 ~1986
Exp. Prime Factor Digits Year
62994591511870179
6299483125989678 ~1984
6299591125991838 ~1984
6299651125993038 ~1984
6299737105835581710 ~1989
62999295543937539 ~1988
6299941377996478 ~1985
6300011126000238 ~1984
6300023126000478 ~1984
6300179126003598 ~1984
6300451630045118 ~1986
63005097560610819 ~1988
63006491512155779 ~1987
6300737882103198 ~1986
6300857504068578 ~1986
6300923126018478 ~1984
6300971126019438 ~1984
6301051630105118 ~1986
6301157882161998 ~1986
6301363630136318 ~1986
6301397378083838 ~1985
6301523126030478 ~1984
6301703126034078 ~1984
6301837378110238 ~1985
6301913378114798 ~1985
Exp. Prime Factor Digits Year
6302047630204718 ~1986
6302141378128478 ~1985
6302339182767831110 ~1989
6302519126050398 ~1984
63025331008405299 ~1986
6302573378154398 ~1985
6302603126052078 ~1984
6302651504212098 ~1986
6302711126054238 ~1984
6302981378178878 ~1985
6303119126062398 ~1984
6303337378200238 ~1985
6303371126067438 ~1984
6303779126075598 ~1984
6303887504310978 ~1986
6304163126083278 ~1984
6304217504337378 ~1986
6304307504344578 ~1986
6304421504353698 ~1986
6304583126091678 ~1984
6304619126092398 ~1984
6305063126101278 ~1984
6305333378319998 ~1985
6305363126107278 ~1984
6305393378323598 ~1985
Exp. Prime Factor Digits Year
6305459126109198 ~1984
6305471126109438 ~1984
6305987504478978 ~1986
6306263126125278 ~1984
6306479126129598 ~1984
63064816054221779 ~1988
6306563126131278 ~1984
6306791126135838 ~1984
6307241378434478 ~1985
6307261378435678 ~1985
63072611009161779
63075491387660799 ~1987
6307571126151438 ~1984
6307577504606178 ~1986
6307811126156238 ~1984
6307817378469038 ~1985
6307921378475278 ~1985
6308087504646978 ~1986
63084591514030179 ~1987
6308521378511278 ~1985
6308651126173038 ~1984
6308851630885118 ~1986
6308891126177838 ~1984
6309113883275838 ~1986
6309313378558798 ~1985
780
GIMPS The Prime Pages FactorDb.com
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25-05-04