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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
5639411451152898 ~1985
5639497338369838 ~1985
5639617902338738 ~1986
5639723112794478 ~1984
5639867451189378 ~1985
5640119112802398 ~1984
56403891353693379 ~1986
5640599112811998 ~1984
5640671112813438 ~1984
5640961338457678 ~1985
5640961130870295310
5641159564115918 ~1985
5641379112827598 ~1984
5641577451326178 ~1985
5641711564171118 ~1985
5641837338510238 ~1985
5641931112838638 ~1984
5642083564208318 ~1985
5642099112841998 ~1984
5642233338533998 ~1985
5642381451390498 ~1985
56424771692743119 ~1987
5642531112850638 ~1984
5642633338557998 ~1985
5642783112855678 ~1984
Exp. Prime Factor Digits Year
56430592708668339 ~1987
5643227451458178 ~1985
5643301338598078 ~1985
5643479112869598 ~1984
5643553338613198 ~1985
5643563112871278 ~1984
5643607564360718 ~1985
5643641451491298 ~1985
5644283112885678 ~1984
5644399564439918 ~1985
56444091693322719 ~1987
5644487451558978 ~1985
56445231467575999 ~1986
5644601338676078 ~1985
56448011241856239 ~1986
5644861338691678 ~1985
5645191564519118 ~1985
5645483112909678 ~1984
5645483248401252110
5645657451652578 ~1985
5645723112914478 ~1984
5646107451688578 ~1985
5646323112926478 ~1984
5646383112927678 ~1984
5646517338791038 ~1985
Exp. Prime Factor Digits Year
5646521338791278 ~1985
5646539451723138 ~1985
5646541338792478 ~1985
5646577338794638 ~1985
56466471016396479 ~1986
5646881451750498 ~1985
5646997338819838 ~1985
5647021338821278 ~1985
5647493338849598 ~1985
5647501230418040910 ~1989
5647511112950238 ~1984
5647571112951438 ~1984
56475733614446739 ~1987
56476394066300099 ~1988
5647801338868078 ~1985
56479131355499139 ~1986
5647991112959838 ~1984
56479913727674079
5648017338881038 ~1985
5648057451844578 ~1985
5648191108445267310 ~1989
5648297338897838 ~1985
5648341903734578 ~1986
5648459112969198 ~1984
5648651112973038 ~1984
Exp. Prime Factor Digits Year
5648653338919198 ~1985
56487291694618719 ~1987
5648779131051672910 ~1989
5649047451923778 ~1985
5649101451928098 ~1985
56491671468783439 ~1986
5649187564918718 ~1985
5649317451945378 ~1985
56494811694844319 ~1987
5649521451961698 ~1985
5649569451965538 ~1985
5649599112991998 ~1984
5649851451988098 ~1985
56498711016976799 ~1986
5649883564988318 ~1985
5649977338998638 ~1985
5650081339004878 ~1985
5650133339007998 ~1985
5650457452036578 ~1985
5650537339032238 ~1985
5650553339033198 ~1985
5650583113011678 ~1984
56506911017124399 ~1986
5650811113016238 ~1984
56508112825405519
736
GIMPS The Prime Pages FactorDb.com
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25-07-08