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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
6541079130821598 ~1984
6541097392465838 ~1985
6541103130822078 ~1984
6541343130826878 ~1984
6541571130831438 ~1984
6541741124293079110 ~1989
6541751130835038 ~1984
6541937523354978 ~1986
6541981392518878 ~1985
6542021523361698 ~1986
6542101392526078 ~1985
6542171130843438 ~1984
6542287320572063110 ~1990
6542369523389538 ~1986
6542489523399138 ~1986
6542513392550798 ~1985
6542693392561598 ~1985
6542699130853998 ~1984
6542717392563038 ~1985
6542843130856878 ~1984
65428431570282339
6543373392602398 ~1985
6543377523470178 ~1986
6543479130869598 ~1984
6543583654358318 ~1986
Exp. Prime Factor Digits Year
65435871177845679 ~1987
6543731130874638 ~1984
6543893392633598 ~1985
6544403130888078 ~1984
65446392748748399 ~1987
6544843654484318 ~1986
6544883130897678 ~1984
6545293392717598 ~1985
6545543130910878 ~1984
6545771523661698 ~1986
65458871047341939 ~1986
6545941392756478 ~1985
6546041392762478 ~1985
6546361392781678 ~1985
6546443130928878 ~1984
6546473392788398 ~1985
6546937392816238 ~1985
6547027654702718 ~1986
6547319130946398 ~1984
6547477392848638 ~1985
6547747654774718 ~1986
6547859523828738 ~1986
6548057523844578 ~1986
6548153392889198 ~1985
6548291130965838 ~1984
Exp. Prime Factor Digits Year
6548303130966078 ~1984
65484971047759539 ~1986
6548681392920878 ~1985
6548819130976398 ~1984
6548879130977598 ~1984
6548911654891118 ~1986
6548957523916578 ~1986
6548999130979998 ~1984
6549119523929538 ~1986
65491332619653219 ~1987
6549611130992238 ~1984
6549671130993438 ~1984
6549839130996798 ~1984
6550001393000078 ~1985
6550163131003278 ~1984
65505131572123139 ~1987
6550553917077438 ~1986
6550919524073538 ~1986
6551011655101118 ~1986
6551353393081198 ~1985
65514071048225139 ~1986
6551411131028238 ~1984
6551801524144098 ~1986
6551879131037598 ~1984
65519473144934579 ~1988
Exp. Prime Factor Digits Year
6552101524168098 ~1986
6552179131043598 ~1984
6552233393133998 ~1985
6552323131046478 ~1984
6552431131048638 ~1984
6552719131054398 ~1984
65531471179566479 ~1987
6553331131066638 ~1984
6553577393214638 ~1985
6553979131079598 ~1984
6554123131082478 ~1984
6554201524336098 ~1986
6554441524355298 ~1986
6554771131095438 ~1984
6554789524383138 ~1986
6555443131108878 ~1984
65554571573309699 ~1987
6555491131109838 ~1984
6555683131113678 ~1984
65557071180027279 ~1987
6555719524457538 ~1986
6555821393349278 ~1985
6555907655590718 ~1986
6555917393355038 ~1985
6556003655600318 ~1986
798
GIMPS The Prime Pages FactorDb.com
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25-05-04