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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
1209113290187138
1209181266019838 ~1981
120933772560237 ~1980
1209463290271138 ~1981
120956324191277 ~1978
12095831572457919 ~1983
1209631217733598 ~1981
120967124193437 ~1978
12096714572556399
1209707580659378 ~1982
12097732613109699 ~1983
1209811120981118 ~1980
12098111354988339
1209811315518708910
1209853193576498 ~1981
12098771064691779 ~1982
120994796795777 ~1980
120995924199197 ~1978
1210003193600498 ~1981
1210039121003918 ~1980
121004996803937 ~1980
12101933291724979 ~1984
121021124204237 ~1978
121024172614477 ~1980
1210241750349438
Exp. Prime Factor Digits Year
121025924205197 ~1978
1210289653556078 ~1982
1210379895680478 ~1982
1210387217869678 ~1981
121040324208077 ~1978
1210409169457278 ~1981
1210411121041118 ~1980
121043924208797 ~1978
1210499217889838 ~1981
121052324210477 ~1978
1210523798945198
121059772635837 ~1980
121079372647597 ~1980
121079996863937 ~1980
1210817653841198 ~1982
121087124217437 ~1978
1210879581221938 ~1982
121088324217677 ~1978
1210883605441518
1210897193743538 ~1981
1210933290623938 ~1981
1210933557029198
1210999121099918 ~1980
1211051387536338 ~1981
121127924225597 ~1978
Exp. Prime Factor Digits Year
121133996907137 ~1980
1211407218053278 ~1981
121154324230877 ~1978
1211653266563678 ~1981
12116692908005619 ~1984
1211737484694818 ~1982
1211897363569118 ~1981
1211923193907698 ~1981
121199924239997 ~1978
121199996959937
1212121266666638 ~1981
1212149654560478 ~1982
1212187121218718 ~1980
121244324248877 ~1978
121252197001697 ~1980
121267772760637 ~1980
1212697776126098 ~1982
121285197028097 ~1980
121291772775037 ~1980
121304997043937 ~1980
121314172788477 ~1980
1213327121332718 ~1980
121351797081377 ~1980
1213529582493938 ~1982
121363124272637 ~1978
Exp. Prime Factor Digits Year
121364324272877 ~1978
1213759509778798 ~1982
121376324275277 ~1978
121393124278637 ~1978
1213943315625198 ~1981
1214023121402318 ~1980
121403924280797 ~1978
12140392719447379
121407772844637 ~1980
12141176289126079 ~1984
1214407121440718 ~1980
121445924289197 ~1978
1214483971586418 ~1982
12145191481713199 ~1983
1214567218622078 ~1981
121463924292797 ~1978
1214641194342578 ~1981
1214657461569678 ~1982
1214657680207938
1214671121467118 ~1980
1214729971783218 ~1982
121473772884237 ~1980
1214737485894818
1214767194362738 ~1981
1214827121482718 ~1980
276
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25-04-06