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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
9849863196997278 ~1986
9849941590996478 ~1987
9850499197009998 ~1986
9850733591043998 ~1987
9850751197015038 ~1986
98520673940826819 ~1989
9852077591124638 ~1987
9852179197043598 ~1986
9852413591144798 ~1987
9852617591157038 ~1987
9852701591162078 ~1987
9852743197054878 ~1986
98529071576465139 ~1988
9853043197060878 ~1986
9853061788244898 ~1987
9853139197062798 ~1986
9853439197068798 ~1986
9853559197071198 ~1986
9853703197074078 ~1986
98537632364903139 ~1988
9854083985408318 ~1987
9854459197089198 ~1986
98545694546898136711 ~1994
9854639197092798 ~1986
9854651197093038 ~1986
Exp. Prime Factor Digits Year
9854699197093998 ~1986
98546993153503699
9854759197095198 ~1986
98547771379668799 ~1988
9855011197100238 ~1986
9855311197106238 ~1986
9855541591332478 ~1987
9855689788455138 ~1987
9855997591359838 ~1987
9856019197120398 ~1986
9856061591363678 ~1987
9856061788484898
9856103197122078 ~1986
9856151788492098 ~1987
9856211197124238 ~1986
9856391197127838 ~1986
9856411985641118 ~1987
9856439197128798 ~1986
98564711774164799 ~1988
9856919197138398 ~1986
9857293591437598 ~1987
9857483197149678 ~1986
9857579197151598 ~1986
9857663197153278 ~1986
9858061591483678 ~1987
Exp. Prime Factor Digits Year
98580732168776079 ~1988
9858479197169598 ~1986
9858791197175838 ~1986
9859163197183278 ~1986
9859277788742178 ~1987
9859319788745538 ~1987
9859523197190478 ~1986
9859637591578238 ~1987
9859691197193838 ~1986
9859859197197198 ~1986
9859931197198638 ~1986
9860197591611838 ~1987
9860429788834338 ~1987
9860723197214478 ~1986
9860771197215438 ~1986
9860797591647838 ~1987
9860891788871298 ~1987
9860947986094718 ~1987
9861307986130718 ~1987
98618471775132479 ~1988
9862019197240398 ~1986
9862103197242078 ~1986
9862201591732078 ~1987
9862417591745038 ~1987
98625791775264239 ~1988
Exp. Prime Factor Digits Year
98626511578024179 ~1988
9862739197254798 ~1986
9862981591778878 ~1987
98630472367131299 ~1988
9863351197267038 ~1986
9863543197270878 ~1986
9864119197282398 ~1986
9864143197282878 ~1986
9864203197284078 ~1986
9864347789147778 ~1987
9864733591883998 ~1987
9864791197295838 ~1986
9864839197296798 ~1986
9864983197299678 ~1986
9865081591904878 ~1987
9865109789208738 ~1987
9865139197302798 ~1986
98651531578424499 ~1988
9865403197308078 ~1986
9865601789248098 ~1987
9865937591956238 ~1987
98661672367880099 ~1988
9866243197324878 ~1986
9866303197326078 ~1986
9867073592024398 ~1987
1003
GIMPS The Prime Pages FactorDb.com
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25-04-13