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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
5508779440702338 ~1985
5508857440708578 ~1985
5508871550887118 ~1985
5508913330534798 ~1985
5509151110183038 ~1984
55091774848075779 ~1988
5509307991675278 ~1986
5509631440770498 ~1985
5509643110192878 ~1984
5509741330584478 ~1985
5509873330592398 ~1985
5510009440800738 ~1985
5510177440814178 ~1985
5510471440837698 ~1985
55104891322517379 ~1986
5510651110213038 ~1984
5510759110215198 ~1984
5510759440860738
5510959551095918 ~1985
55111571653347119 ~1987
5511251110225038 ~1984
55115291653458719 ~1987
5511547551154718 ~1985
5511683110233678 ~1984
5511851110237038 ~1984
Exp. Prime Factor Digits Year
5512043110240878 ~1984
5512103110242078 ~1984
55122373527831699 ~1987
5512399992231838 ~1986
5512531551253118 ~1985
5512691441015298 ~1985
5513243110264878 ~1984
55133171323196099 ~1986
5513377330802638 ~1985
55136812095198799 ~1987
5513723110274478 ~1984
5514023110280478 ~1984
5514077330844638 ~1985
5514209441136738 ~1985
55142531323420739 ~1986
5514343882294898 ~1986
5514521330871278 ~1985
5514563110291278 ~1984
5514571882331378 ~1986
5514581330874878 ~1985
5514667551466718 ~1985
5514689772056478 ~1986
5514697330881838 ~1985
5514797441183778 ~1985
5514863110297278 ~1984
Exp. Prime Factor Digits Year
5515019110300398 ~1984
5515087551508718 ~1985
5515091992716398 ~1986
5515151110303038 ~1984
5515271110305438 ~1984
5515397330923838 ~1985
5515501330930078 ~1985
5515619110312398 ~1984
5516123110322478 ~1984
5516237330974238 ~1985
5516471110329438 ~1984
5516639110332798 ~1984
5516647551664718 ~1985
5516723110334478 ~1984
55169398937441199 ~1988
5517059110341198 ~1984
5517067551706718 ~1985
5517209772409278 ~1986
55172571324141699 ~1986
55173131213808879 ~1986
5517419441393538 ~1985
5517599441407938 ~1985
55176673531306899 ~1987
5517727551772718 ~1985
5517839110356798 ~1984
Exp. Prime Factor Digits Year
5517893331073598 ~1985
5517977331078638 ~1985
5518397331103838 ~1985
5518913189850607310 ~1989
5519159110383198 ~1984
5519299993473838 ~1986
5519447441555778 ~1985
5519453331167198 ~1985
5519639993535038 ~1986
5520017331201038 ~1985
5520059110401198 ~1984
5520083110401678 ~1984
5520191110403838 ~1984
5520323110406478 ~1984
5520421331225278 ~1985
5520553331233198 ~1985
5520677441654178 ~1985
5520769506806594310 ~1990
5520863110417278 ~1984
55209131325019139 ~1986
5520923110418478 ~1984
5521133331267998 ~1985
5521181441694498 ~1985
5521199110423998 ~1984
5521213883394098 ~1986
726
GIMPS The Prime Pages FactorDb.com
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25-07-08