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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.
Exponent Prime Factor Digits Year
10661543213230878 ~1986
10661939213238798 ~1986
10662131213242638 ~1986
106621871066218719 ~1988
10662209852976738 ~1987
10662241639734478 ~1987
106624131492737839 ~1988
10662803213256078 ~1986
10662959213259198 ~1986
10663319213266398 ~1986
10663517853081378 ~1987
106637391919473039 ~1988
10663841639830478 ~1987
10663931213278638 ~1986
10664041639842478 ~1987
10664051213281038 ~1986
106641791066417919 ~1988
10664477853158178 ~1987
10664561639873678 ~1987
10664699853175938 ~1987
10664891213297838 ~1986
10664963213299278 ~1986
10665101639906078 ~1987
10665113639906798 ~1987
10665133639907998 ~1987
Exponent Prime Factor Digits Year
10665191213303838 ~1986
10665437639926238 ~1987
10665563213311278 ~1986
106664931493309039 ~1988
10666597639995838 ~1987
10666919213338398 ~1986
10667021853361698 ~1987
10667039853363138 ~1987
10667201640032078 ~1987
10668023213360478 ~1986
10668037640082238 ~1987
10668277640096638 ~1987
106686433627338639 ~1989
10668761640125678 ~1987
10669019213380398 ~1986
10669091213381838 ~1986
10669097640145838 ~1987
10669381640162878 ~1987
10669511213390238 ~1986
10669751213395038 ~1986
106700032774200799 ~1989
10670123213402478 ~1986
10670531213410638 ~1986
106705871067058719 ~1988
10670591213411838 ~1986
Exponent Prime Factor Digits Year
10670719215548523910 ~1991
10670771213415438 ~1986
10670843213416878 ~1986
10670879213417598 ~1986
10670993640259598 ~1987
10671097640265838 ~1987
10671119213422398 ~1986
10671191213423838 ~1986
106711971493967599 ~1988
10671203213424078 ~1986
106713291493986079 ~1988
106715872774612639 ~1989
10671737640304238 ~1987
10671959213439198 ~1986
106721476830174099 ~1990
10672217640333038 ~1987
10672301640338078 ~1987
10672301853784098
10672331213446638 ~1986
106723971494135599 ~1988
10672681640360878 ~1987
10672691213453838 ~1986
106727232561453539 ~1989
10672777640366638 ~1987
106732931707726899 ~1988
Exponent Prime Factor Digits Year
10673387853870978 ~1987
10673423213468478 ~1986
10674121640447278 ~1987
10674197640451838 ~1987
10674263213485278 ~1986
10674539213490798 ~1986
106748231707971699 ~1988
10675019213500398 ~1986
10675079213501598 ~1986
10675097640505838 ~1987
106751875337593519 ~1989
10675271213505438 ~1986
106754591067545919 ~1988
106754592562110179
10675601640536078 ~1987
10675859213517198 ~1986
10675883213517678 ~1986
10676279213525598 ~1986
10676639213532798 ~1986
106769872562476899 ~1989
10677077640624638 ~1987
106773671067736719 ~1988
10677599213551998 ~1986
10677839213556798 ~1986
10677983213559678 ~1986
1056
GIMPS The Prime Pages FactorDb.com
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25-06-01