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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
265805953161197 ~1981
26580591329029519
2658067425290738 ~1983
265825153165037 ~1981
2658373159502398 ~1982
2658457425353138 ~1983
265850353170077 ~1981
2658701159522078 ~1982
2658707212696578 ~1983
2658779212702338 ~1983
2658793159527598 ~1982
26588812286637679 ~1985
265889953177997 ~1981
26589791116771199 ~1984
265904353180877 ~1981
2659081159544878 ~1982
2659201159552078 ~1982
265937953187597 ~1981
265945153189037 ~1981
265988353197677 ~1981
2659903425584498 ~1983
2660087691622638 ~1984
2660137159608238 ~1982
266029153205837 ~1981
2660353159621198 ~1982
Exp. Prime Factor Digits Year
26603771064150819 ~1984
2660429372460078 ~1983
2660753159645198 ~1982
2660753638580738
2660989585417598 ~1984
2661089798326718 ~1984
2661097425775538 ~1983
2661103425776498 ~1983
2661107212888578 ~1983
2661137159668238 ~1982
2661341212907298 ~1983
2661397159683838 ~1982
266141953228397 ~1981
266173153234637 ~1981
2661733159703998 ~1982
2661781159706878 ~1982
26618212289166079 ~1985
2661943266194318 ~1983
2662069585655198 ~1984
2662193372707038 ~1983
2662271212981698 ~1983
2662459479242638 ~1984
2662501159750078 ~1982
2662507639001698 ~1984
266276353255277 ~1981
Exp. Prime Factor Digits Year
266281153256237 ~1981
266288353257677 ~1981
2662921159775278 ~1982
2662981159778878 ~1982
2663057213044578 ~1983
2663107266310718 ~1983
26631593408843539 ~1986
2663189372846478 ~1983
2663393799017918 ~1984
2663497799049118 ~1984
2663513799053918 ~1984
266365153273037 ~1981
26636772557129939 ~1985
2663867213109378 ~1983
2663897213111778 ~1983
266402353280477 ~1981
2664041852493138 ~1984
266405953281197 ~1981
2664127266412718 ~1983
2664149372980878 ~1983
2664241159854478 ~1982
2664271426283378 ~1983
2664553159873198 ~1982
2664793426366898 ~1983
2664901426384178 ~1983
Exp. Prime Factor Digits Year
2665021159901278 ~1982
2665121852838738 ~1984
2665181799554318 ~1984
266519953303997 ~1981
2665427213234178 ~1983
2665627426500338 ~1983
26656679169894499 ~1987
2665891266589118 ~1983
2665967639832098 ~1984
2666117159967038 ~1982
2666141213291298 ~1983
2666141799842318
2666197426591538 ~1983
2666197799859118
2666201159972078 ~1982
26665071333253519 ~1985
266651953330397 ~1981
266659153331837 ~1981
266666353333277 ~1981
2666663191999736110
2666747693354238 ~1984
2666791266679118 ~1983
2666891693391678 ~1984
2667191693469678 ~1984
2667503693550798 ~1984
480
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26-07-05