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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
24698279493965598 ~1989
24698483493969678 ~1989
24698519493970398 ~1989
246987011481922079 ~1990
24698903493978078 ~1989
24699371493987438 ~1989
24699611493992238 ~1989
246998933457985039 ~1991
24700139494002798 ~1989
24700391494007838 ~1989
24700463494009278 ~1989
247009811482058879 ~1990
247011013952176179 ~1991
24701723494034478 ~1989
24702089197616712110 ~1993
24702371494047438 ~1989
24702911494058238 ~1989
24703583494071678 ~1989
24703799494075998 ~1989
24703979494079598 ~1989
24704243494084878 ~1989
247042611976340899 ~1990
247044533458623439 ~1991
24704891494097838 ~1989
24705623494112478 ~1989
Exponent Prime Factor Digits Year
24705959494119198 ~1989
24706079494121598 ~1989
24706679494133598 ~1989
24706691494133838 ~1989
247068731482412399 ~1990
24706943494138878 ~1989
24707003494140078 ~1989
24707099494141998 ~1989
247073211976585699 ~1990
24707339494146798 ~1989
24707363494147278 ~1989
24707603494152078 ~1989
24708143494162878 ~1989
24709031494180638 ~1989
247093791976750339 ~1990
24709703494194078 ~1989
247098291976786339 ~1990
24709931494198638 ~1989
24710039494200798 ~1989
24710111494202238 ~1989
247103411482620479 ~1990
247111392471113919 ~1990
24712043494240878 ~1989
24712403494248078 ~1989
247125171977001379 ~1990
Exponent Prime Factor Digits Year
247129731482778399 ~1990
24713219494264398 ~1989
247138392471383919 ~1990
247139571482837439 ~1990
24714071494281438 ~1989
247140717908502739
247142991977143939 ~1990
24714479494289598 ~1989
24715139494302798 ~1989
247153071977224579 ~1990
24715643494312878 ~1989
24715871494317438 ~1989
24716171494323438 ~1989
24716459494329198 ~1989
247169571102376282311 ~1994
24717659494353198 ~1989
24717971494359438 ~1989
24718091494361838 ~1989
24718139494362798 ~1989
24718283494365678 ~1989
24718559494371198 ~1989
24718691494373838 ~1989
24718763494375278 ~1989
247188792471887919 ~1990
24719099494381998 ~1989
Exponent Prime Factor Digits Year
247195331483171999 ~1990
247197773460768799 ~1991
247200131483200799 ~1990
24720071494401438 ~1989
24720623494412478 ~1989
247207971483247839 ~1990
247209011483254079 ~1990
24721019494420398 ~1989
24721139494422798 ~1989
24721379494427598 ~1989
24721583494431678 ~1989
247218471977747779 ~1990
24721943494438878 ~1989
247221013955536179 ~1991
24722843494456878 ~1989
247231699889267619 ~1992
24723299494465998 ~1989
24723823296685876110 ~1993
24723851494477038 ~1989
24723983494479678 ~1989
24724079494481598 ~1989
24724319494486398 ~1989
24724523494490478 ~1989
24724571494491438 ~1989
247246571483479439 ~1990
1565
GIMPS The Prime Pages FactorDb.com
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25-04-13