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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
9858061591483678 ~1987
98580732168776079 ~1988
9858479197169598 ~1986
9858791197175838 ~1986
9859163197183278 ~1986
9859277788742178 ~1987
9859319788745538 ~1987
9859523197190478 ~1986
9859691197193838 ~1986
9859859197197198 ~1986
9859931197198638 ~1986
9860197591611838 ~1987
9860429788834338 ~1987
9860723197214478 ~1986
9860771197215438 ~1986
9860891788871298 ~1987
9860947986094718 ~1987
9861307986130718 ~1987
98618471775132479 ~1988
9862019197240398 ~1986
9862103197242078 ~1986
9862417591745038 ~1987
98625791775264239 ~1988
98626511578024179 ~1988
9862739197254798 ~1986
Exp. Prime Factor Digits Year
9862981591778878 ~1987
98630472367131299 ~1988
9863351197267038 ~1986
9863543197270878 ~1986
9864119197282398 ~1986
9864143197282878 ~1986
9864203197284078 ~1986
9864347789147778 ~1987
9864791197295838 ~1986
9864839197296798 ~1986
9864983197299678 ~1986
9865081591904878 ~1987
9865109789208738 ~1987
9865139197302798 ~1986
9865403197308078 ~1986
9865601789248098 ~1987
98661672367880099 ~1988
9866243197324878 ~1986
9866303197326078 ~1986
9867073592024398 ~1987
9867359197347198 ~1986
9867491197349838 ~1986
9867551197351038 ~1986
9867841592070478 ~1987
9867971197359438 ~1986
Exp. Prime Factor Digits Year
9868499197369998 ~1986
9868951986895118 ~1987
9868981592138878 ~1987
9869003197380078 ~1986
9869039197380798 ~1986
9869099789527938 ~1987
9869117592147038 ~1987
9869267213176167310 ~1991
9869399197387998 ~1986
9869963197399278 ~1986
9869999197399998 ~1986
98702473355883999 ~1989
9870451987045118 ~1987
9870683197413678 ~1986
9870961592257678 ~1987
98709671579354739 ~1988
9871157592269438 ~1987
9871259197425198 ~1986
9871331197426638 ~1986
9871331789706498
98714711579435379 ~1988
9871523197430478 ~1986
9871753592305198 ~1987
9871943197438878 ~1986
9871957592317438 ~1987
Exp. Prime Factor Digits Year
9872047987204718 ~1987
98720991776977839 ~1988
9872111197442238 ~1986
9872171197443438 ~1986
9872321592339278 ~1987
9872519197450398 ~1986
9872711197454238 ~1986
9872939197458798 ~1986
98730112566982879 ~1988
9873041592382478 ~1987
9873263197465278 ~1986
9874019197480398 ~1986
9874103197482078 ~1986
9874439197488798 ~1986
9874811197496238 ~1986
9875171197503438 ~1986
9875171790013698
9875323987532318 ~1987
9875357592521438 ~1987
98762892172783599 ~1988
9876437592586238 ~1987
9876623197532478 ~1986
9876803197536078 ~1986
9876851197537038 ~1986
98769011580304179 ~1988
974
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24-10-27