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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
15875903317518078 ~1987
15875939317518798 ~1987
15876023317520478 ~1987
15876431317528638 ~1987
15876671317533438 ~1987
158771091270168739 ~1989
158771112540337779 ~1989
15877193952631598 ~1988
158772291270178339 ~1989
15877391317547838 ~1987
15877481952648878 ~1988
15877811317556238 ~1987
158779911270239299 ~1989
15878141952688478 ~1988
15878183317563678 ~1987
15878279317565598 ~1987
15878519317570398 ~1987
15878777952726638 ~1988
15878783317575678 ~1987
15879023317580478 ~1987
15879359317587198 ~1987
15879659317593198 ~1987
158797693811144579 ~1990
15879911317598238 ~1987
15880121952807278 ~1988
Exponent Prime Factor Digits Year
158803696352147619 ~1990
15880391317607838 ~1987
158805075399372399 ~1990
15880597952835838 ~1988
15880691317613838 ~1987
158807271270458179 ~1989
158808192858547439 ~1990
15881597952895838 ~1988
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
158871111270968899 ~1989
15887351317747038 ~1987
15887699317753998 ~1987
15887747117569327910 ~1991
Exponent Prime Factor Digits Year
158877711271021699 ~1989
15888311317766238 ~1987
15888479317769598 ~1987
15888701953322078 ~1988
15889091317781838 ~1987
15889417953365038 ~1988
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
Exponent Prime Factor Digits Year
15894503317890078 ~1987
15894731317894638 ~1987
15894803317896078 ~1987
158955132543282099 ~1989
15895559317911198 ~1987
15895931317918638 ~1987
15895991317919838 ~1987
15896183317923678 ~1987
158961911589619119 ~1989
15896327661287203310 ~1993
15896401953784078 ~1988
158969831589698319 ~1989
15896999317939998 ~1987
158971035405015039 ~1990
15897247101742380910 ~1991
15897593953855598 ~1988
15898331317966638 ~1987
15898637953918238 ~1988
158990413497789039 ~1990
15899423317988478 ~1987
15899519317990398 ~1987
15900119318002398 ~1987
15900293954017598 ~1988
159005391272043139 ~1989
15900611318012238 ~1987
1280
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25-06-08