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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
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
Exp. Prime Factor Digits Year
5650829452066338 ~1985
5650937452074978 ~1985
5651069791149678 ~1986
5651171452093698 ~1985
5651183113023678 ~1984
5651279113025598 ~1984
5651297452103778 ~1985
5651603113032078 ~1984
5651771113035438 ~1984
56519271017346879 ~1986
5652067565206718 ~1985
5652341339140478 ~1985
5652683113053678 ~1984
5653001339180078 ~1985
5653181452254498 ~1985
5653211452256898 ~1985
5653493339209598 ~1985
5653523113070478 ~1984
5653577339214638 ~1985
5653601339216078 ~1985
5653643113072878 ~1984
5653751113075038 ~1984
5653799113075998 ~1984
5653807904609138 ~1986
56544471017800479 ~1986
Exp. Prime Factor Digits Year
5654503904720498 ~1986
5654549791636878 ~1986
56545691696370719 ~1987
5654651113093038 ~1984
5654651452372098
56548192375023999 ~1987
5654917339295038 ~1985
5655019565501918 ~1985
56551071357225699 ~1986
5655313339318798 ~1985
5655323113106478 ~1984
5655449452435938 ~1985
5655659113113198 ~1984
5655731113114638 ~1984
5655791113115838 ~1984
5655911113118238 ~1984
5656397339383838 ~1985
5656691113133838 ~1984
56567591018216639 ~1986
5656799452543938 ~1985
5656997339419838 ~1985
5657423113148478 ~1984
5657761339465678 ~1985
5657831113156638 ~1984
5658097339485838 ~1985
748
GIMPS The Prime Pages FactorDb.com
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25-11-02