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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
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
15895991317919838 ~1987
15896183317923678 ~1987
158961911589619119 ~1989
15896327661287203310 ~1993
15896401953784078 ~1988
158969831589698319 ~1989
15896999317939998 ~1987
158971035405015039 ~1990
15897247101742380910 ~1991
15897593953855598 ~1988
15898331317966638 ~1987
15898637953918238 ~1988
Exponent Prime Factor Digits Year
158990413497789039 ~1990
15899423317988478 ~1987
15899519317990398 ~1987
15900119318002398 ~1987
15900293954017598 ~1988
159005391272043139 ~1989
15900611318012238 ~1987
15900623318012478 ~1987
15900719318014398 ~1987
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
Exponent Prime Factor Digits Year
15904297954257838 ~1988
15904943318098878 ~1987
15905003318100078 ~1987
15905159318103198 ~1987
15905243318104878 ~1987
15905423318108478 ~1987
15905471318109438 ~1987
15905843318116878 ~1987
15906083318121678 ~1987
15906433954385998 ~1988
159067192863209439 ~1990
15906851318137038 ~1987
15906899318137998 ~1987
15906953954417198 ~1988
15907439318148798 ~1987
15907751318155038 ~1987
159078237953911519 ~1991
159082574772477119 ~1990
15908423318168478 ~1987
159084891272679139 ~1989
15908531318170638 ~1987
15908603318172078 ~1987
15909563318191278 ~1987
15910211318204238 ~1987
159107572227505999 ~1989
Exponent Prime Factor Digits Year
15911033954661998 ~1988
15911579318231598 ~1987
15911663270498271110 ~1992
15911717954703038 ~1988
15911723318234478 ~1987
15912371318247438 ~1987
15912863318257278 ~1987
159131091273048739 ~1989
15913643318272878 ~1987
15914161954849678 ~1988
15914291318285838 ~1987
159145133819483139 ~1990
15914603318292078 ~1987
15914963318299278 ~1987
15915023318300478 ~1987
15915299318305998 ~1987
15915491318309838 ~1987
159156311591563119 ~1989
15915671318313438 ~1987
15915797954947838 ~1988
159164271273314179 ~1989
15916871318337438 ~1987
15917339318346798 ~1987
159173471591734719 ~1989
15917579318351598 ~1987
1267
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25-04-13