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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
5975197358511838 ~1985
5975267478021378 ~1985
5975351119507038 ~1984
5975401358524078 ~1985
5975513358530798 ~1985
5976281358576878 ~1985
59763014661514799 ~1988
59764091434338179 ~1987
5976563119531278 ~1984
5976701478136098 ~1985
59767012868816499
5976881478150498 ~1985
5976923119538478 ~1984
5977199119543998 ~1984
5977289478183138 ~1985
5977379478190338 ~1985
5977667478213378 ~1985
5977733358663998 ~1985
5978047597804718 ~1986
5978051119561038 ~1984
5978117478249378 ~1985
5978177358690638 ~1985
5978363119567278 ~1984
59783631554374399
5978471119569438 ~1984
Exp. Prime Factor Digits Year
5978639119572798 ~1984
5978737358724238 ~1985
5978783119575678 ~1984
5979023119580478 ~1984
5979059119581198 ~1984
5979131119582638 ~1984
59791511076247199 ~1986
5979173358750398 ~1985
5979179478334338 ~1985
5979203119584078 ~1984
5979383119587678 ~1984
5979679597967918 ~1986
5979773358786398 ~1985
5980021358801278 ~1985
5980171598017118 ~1986
5980237358814238 ~1985
5980291956846578 ~1986
5980333358819998 ~1985
5980531598053118 ~1986
5980567598056718 ~1986
5980631119612638 ~1984
5981051119621038 ~1984
5981069837349678 ~1986
5981099119621998 ~1984
5981159119623198 ~1984
Exp. Prime Factor Digits Year
5981189837366478 ~1986
5981359598135918 ~1986
5981377358882638 ~1985
5981411119628238 ~1984
5981471119629438 ~1984
5981663119633278 ~1984
5981819119636398 ~1984
5981939119638798 ~1984
5982007598200718 ~1986
59820373230299999 ~1987
5982071119641438 ~1984
59823711555416479 ~1987
5982373358942398 ~1985
59825511555463279 ~1987
5982611478608898 ~1985
5982803119656078 ~1984
59830094188106319 ~1988
59830271435926499 ~1987
5983037358982238 ~1985
5983297358997838 ~1985
5983331119666638 ~1984
5983799197465367110 ~1989
59838072034494399 ~1987
5983919478713538 ~1985
5983931119678638 ~1984
Exp. Prime Factor Digits Year
5984213359052798 ~1985
59843273351223139 ~1987
5984471478757698 ~1985
5984533359071998 ~1985
5984579119691598 ~1984
5984597359075838 ~1985
5984711119694238 ~1984
5984843119696878 ~1984
5984879478790338 ~1985
5984903119698078 ~1984
5984921359095278 ~1985
5984939119698798 ~1984
5984963119699278 ~1984
5985103598510318 ~1986
5985251119705038 ~1984
5985401694306516110 ~1991
59854071077373279 ~1986
59856471436555299 ~1987
5985719119714398 ~1984
5986117957778738 ~1986
5986163119723278 ~1984
5986271478901698 ~1985
5986391119727838 ~1984
59864473831326099 ~1988
5986537359192238 ~1985
786
GIMPS The Prime Pages FactorDb.com
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26-03-15