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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
15882599317651998 ~1987
15882653952959198 ~1988
15882791317655838 ~1987
158831774764953119 ~1990
15883319317666398 ~1987
15883577953014638 ~1988
15884051317681038 ~1987
15884483317689678 ~1987
15884591317691838 ~1987
15885503317710078 ~1987
15885563317711278 ~1987
158857631588576319 ~1989
15886103317722078 ~1987
158863011270904099 ~1989
158871111270968899 ~1989
15887351317747038 ~1987
15887699317753998 ~1987
15887747117569327910 ~1991
158877711271021699 ~1989
15888311317766238 ~1987
15888479317769598 ~1987
158886111271088899 ~1989
15888701953322078 ~1988
15889091317781838 ~1987
15889417953365038 ~1988
Exponent Prime Factor Digits Year
15889537953372238 ~1988
15889943317798878 ~1987
15890351317807038 ~1987
158904895084956499 ~1990
15890939317818798 ~1987
158910471271283779 ~1989
15891059317821198 ~1987
158911791271294339 ~1989
15891671317833438 ~1987
15891901953514078 ~1988
158919172224868399 ~1989
158919471271355779 ~1989
15891959317839198 ~1987
158923611271388899 ~1989
15892441953546478 ~1988
15893099317861998 ~1987
15893797953627838 ~1988
15894083317881678 ~1987
15894491317889838 ~1987
15894503317890078 ~1987
15894731317894638 ~1987
15894803317896078 ~1987
158955132543282099 ~1989
15895559317911198 ~1987
15895931317918638 ~1987
Exponent Prime Factor Digits Year
15895991317919838 ~1987
15896053953763198 ~1988
15896183317923678 ~1987
158961911589619119 ~1989
15896327661287203310 ~1993
15896401953784078 ~1988
158969831589698319 ~1989
15896999317939998 ~1987
158971035405015039 ~1990
15897247101742380910 ~1991
15897593953855598 ~1988
15897697953861838 ~1988
15898331317966638 ~1987
15898637953918238 ~1988
158988796359551619 ~1990
158990413497789039 ~1990
15899423317988478 ~1987
15899519317990398 ~1987
15900119318002398 ~1987
15900293954017598 ~1988
159003013498066239 ~1990
159005391272043139 ~1989
15900611318012238 ~1987
15900623318012478 ~1987
15900719318014398 ~1987
Exponent Prime Factor Digits Year
15901283318025678 ~1987
15901337954080238 ~1988
159014397950719519 ~1991
159014891259397928911 ~1994
15901811318036238 ~1987
159021291272170339 ~1989
15902231318044638 ~1987
15902291318045838 ~1987
15902459318049198 ~1987
15902723318054478 ~1987
159028071272224579 ~1989
15902963318059278 ~1987
15903071318061438 ~1987
15903311318066238 ~1987
15903659318073198 ~1987
15904079318081598 ~1987
15904297954257838 ~1988
15904943318098878 ~1987
15905003318100078 ~1987
15905159318103198 ~1987
15905243318104878 ~1987
15905423318108478 ~1987
15905471318109438 ~1987
15905843318116878 ~1987
15906083318121678 ~1987
1326
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25-12-14