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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
118915123783037 ~1978
1189159214048638 ~1981
1189189261621598 ~1981
1189193166487038 ~1980
118927123785437 ~1978
11893335494718479 ~1984
118936171361677 ~1980
118940323788077 ~1978
118948171368877 ~1980
1189879571141938 ~1982
11899071523080979 ~1983
1189933761557138 ~1982
119004171402477 ~1980
1190071119007118 ~1980
119008171404877 ~1980
119017795214177 ~1980
1190177357053118
119026171415677 ~1980
1190477357143118 ~1981
1190489857152098 ~1982
1190591571483698 ~1982
119075371445197 ~1980
11907531238383139
1190929285822978 ~1981
119114995291937 ~1980
Exp. Prime Factor Digits Year
1191149166760878
119143195314497 ~1980
119156323831277 ~1978
1191643285994338 ~1981
119171923834397 ~1978
119192323838477 ~1978
1191979762866578 ~1982
1192099119209918 ~1980
1192099405313678
1192187309968638 ~1981
119233771540237 ~1980
1192349453092638 ~1982
119239123847837 ~1978
1192453286188738 ~1981
1192469166945678 ~1980
119255995404737 ~1980
1192571214662798 ~1981
1192699119269918 ~1980
119283771570237 ~1980
1193011119301118 ~1980
1193011477204418
1193021357906318 ~1981
119312323862477 ~1978
119316171589677 ~1980
1193173190907698 ~1981
Exp. Prime Factor Digits Year
11931832505684319 ~1983
1193239119323918 ~1980
1193459954767218 ~1982
1193503286440738 ~1981
1193503501271278
119353771612237 ~1980
119360323872077 ~1978
1193729358118718 ~1981
119377123875437 ~1978
1193867214896078 ~1981
1193911119391118 ~1980
1193911573077298
119396323879277 ~1978
119440795552577 ~1980
1194439119443918 ~1980
119444323888877 ~1978
1194493286678338 ~1981
119451771671037 ~1980
119460171676077 ~1980
1194601191136178
119465923893197 ~1978
119467195573697 ~1980
11946712867210419
1194679477871618 ~1982
1194707215047278 ~1981
Exp. Prime Factor Digits Year
119473123894637 ~1978
1194731501787038
119489923897997 ~1978
1194901191184178 ~1981
119492323898477 ~1978
1194959884269678 ~1982
119497123899437 ~1978
1194979406292878 ~1981
119499771699837 ~1980
119502171701277 ~1980
1195171119517118 ~1980
119519371711597 ~1980
1195193741019678
1195561263023438 ~1981
1195573358671918 ~1981
1195693191310898 ~1981
119575123915037 ~1978
1195979502311198 ~1982
119614195691297 ~1980
119617771770637 ~1980
119623123924637 ~1978
1196509478603618 ~1982
119651995721537 ~1980
119652171791277 ~1980
1196537167515198 ~1980
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25-05-04