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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
2859121171547278 ~1983
28591214288681519
2859133171547998 ~1983
2859163686199138 ~1984
2859341228747298 ~1983
285949157189837 ~1981
28596736863215219 ~1987
285980357196077 ~1981
2859847457575538 ~1984
2859949686387778 ~1984
285997157199437 ~1981
2860021171601278 ~1983
286004357200877 ~1981
2860103743626798 ~1984
2860177457628338 ~1984
28601772745769939
286022357204477 ~1981
286027157205437 ~1981
2860337686480898 ~1984
28603371086928079
2860411514873998 ~1984
286049957209997 ~1981
286052357210477 ~1981
2860577171634638 ~1983
2860633171637998 ~1983
Exp. Prime Factor Digits Year
2860657171639438 ~1983
286088357217677 ~1981
2861059286105918 ~1983
2861251286125118 ~1983
2861317686716098 ~1984
28613175436502319
28613635493816979 ~1986
286139957227997 ~1981
286147157229437 ~1981
28614831602430499 ~1985
286171157234237 ~1981
2861767686824098 ~1984
2861801228944098 ~1983
2861851457896178 ~1984
2861909400667278 ~1983
2861917171715038 ~1983
2861927135655339910 ~1987
286201157240237 ~1981
2862113171726798 ~1983
2862163286216318 ~1983
2862367515226078 ~1984
28624691545733279 ~1985
2862569400759678 ~1983
2862593400763038 ~1983
286307957261597 ~1981
Exp. Prime Factor Digits Year
286333157266637 ~1981
2863453171807198 ~1983
2863517171811038 ~1983
2863697171821838 ~1983
2863793400931038 ~1983
286382357276477 ~1981
286385957277197 ~1981
2863967687352098 ~1984
2863979515516238 ~1984
286405157281037 ~1981
2864083973788238 ~1984
286415957283197 ~1981
2864221171853278 ~1983
2864357401009998 ~1983
286436357287277 ~1981
2864371286437118 ~1983
2864453401023438 ~1983
2864633859389918 ~1984
2864671286467118 ~1983
2864713171882798 ~1983
286472357294477 ~1981
2864909401087278 ~1983
2865001458400178 ~1984
2865007687601698 ~1984
2865091286509118 ~1983
Exp. Prime Factor Digits Year
2865329229226338 ~1983
286543157308637 ~1981
286549157309837 ~1981
2865497229239778 ~1983
2865497401169598
2865521916966738 ~1984
286574357314877 ~1981
286583957316797 ~1981
286589957317997 ~1981
28659311375646899 ~1985
2865953171957198 ~1983
2866147458583538 ~1984
2866309630587998 ~1984
2866333687919938 ~1984
2866363286636318 ~1983
286649957329997 ~1981
28668112293448819 ~1985
2866883688051938 ~1984
286694357338877 ~1981
28670032121582239 ~1985
28671071146842819 ~1985
2867213401409838 ~1983
2867213688131138
286721957344397 ~1981
2867239516103038 ~1984
497
GIMPS The Prime Pages FactorDb.com
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26-02-08