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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
6753581405214878 ~1985
6753611135072238 ~1984
67537392836570399 ~1988
6753821405229278 ~1985
6753827540306178 ~1986
67539371620944899 ~1987
67540732026221919 ~1987
6754211135084238 ~1984
6754213117523306310 ~1989
6754331540346498 ~1986
6754667540373378 ~1986
6754679135093598 ~1984
6754697405281838 ~1985
6754889540391138 ~1986
6754991135099838 ~1984
6755297540423778 ~1986
6755363135107278 ~1984
6755383675538318 ~1986
6755417540433378 ~1986
67556576485430739 ~1988
6755713405342798 ~1985
6755761405345678 ~1985
6755977405358638 ~1985
6756017405361038 ~1985
6756023135120478 ~1984
Exp. Prime Factor Digits Year
6756053405363198 ~1985
6756161405369678 ~1985
6756401540512098 ~1986
67565511216179199 ~1987
6756671135133438 ~1984
6756691675669118 ~1986
6756851540548098 ~1986
6756881540550498 ~1986
6757139135142798 ~1984
67573391216321039 ~1987
6757409540592738 ~1986
6757453405447198 ~1985
6757463135149278 ~1984
6757481405448878 ~1985
6757637405458238 ~1985
6757637540610978
6757873405472398 ~1985
6757979135159598 ~1984
6758351135167038 ~1984
67584491616621000911 ~1992
67585792162745299 ~1987
6758723135174478 ~1984
6758831135176638 ~1984
67588392838712399 ~1988
6758957405537438 ~1985
Exp. Prime Factor Digits Year
67590194325772179 ~1988
6759043675904318 ~1986
6759089540727138 ~1986
67591132162916179 ~1987
67593434461166399 ~1988
67594811081516979 ~1987
6759491135189838 ~1984
6759569540765538 ~1986
6759821540785698 ~1986
6759899135197998 ~1984
6759971135199438 ~1984
6759983135199678 ~1984
6760007540800578 ~1986
67604832298564239 ~1987
6760499135209998 ~1984
67605412569005599 ~1987
67605418112649219
6760921112231288710 ~1989
6761123135222478 ~1984
6761233405673998 ~1985
6761483135229678 ~1984
67614972028449119 ~1987
6761537405692238 ~1985
6761603135232078 ~1984
6761983205564283310 ~1990
Exp. Prime Factor Digits Year
6762361405741678 ~1985
67623731487722079 ~1987
67626731082027699 ~1987
6763217405793038 ~1985
6763307541064578 ~1986
6763343135266878 ~1984
67636071623265699 ~1987
6763853946939438 ~1986
6763891676389118 ~1986
6763979135279598 ~1984
67639871082237939 ~1987
6764039135280798 ~1984
6764137405848238 ~1985
6764183135283678 ~1984
6764531135290638 ~1984
6764897405893838 ~1985
6765179135303598 ~1984
6765299135305998 ~1984
67656232164999379 ~1987
6765683135313678 ~1984
6765901405954078 ~1985
6765959135319198 ~1984
6766037405962238 ~1985
6766499135329998 ~1984
6766601541328098 ~1986
813
GIMPS The Prime Pages FactorDb.com
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25-05-04