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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
5588137335288238 ~1985
5588483111769678 ~1984
5588573335314398 ~1985
5588837782437198 ~1986
5588857894217138 ~1986
55890193576972179 ~1987
5589131447130498 ~1985
5589317335359038 ~1985
55893491229656799 ~1986
5589443111788878 ~1984
55896111788675539 ~1987
5589911111798238 ~1984
5590103111802078 ~1984
5590337447226978 ~1985
5590339559033918 ~1985
5590573335434398 ~1985
5590759559075918 ~1985
5590919111818398 ~1984
5591039111820798 ~1984
5591771675485936910 ~1991
5591819111836398 ~1984
55919871453916639 ~1986
5592011111840238 ~1984
5592131111842638 ~1984
55921991006595839 ~1986
Exp. Prime Factor Digits Year
5592227447378178 ~1985
5592733335563998 ~1985
55928271006708879 ~1986
5592919559291918 ~1985
55931711006770799 ~1986
5593319111866398 ~1984
5593463111869278 ~1984
5593501335610078 ~1985
5593559111871198 ~1984
5593751111875038 ~1984
55937591342502179 ~1986
5593811111876238 ~1984
5594027447522178 ~1985
5594441335666478 ~1985
5594591111891838 ~1984
5594621335677278 ~1985
55947471342739299 ~1986
5594843111896878 ~1984
55949292685565939 ~1987
5595059111901198 ~1984
5595061335703678 ~1985
5595179111903598 ~1984
5595277335716638 ~1985
5595389447631138 ~1985
5595559559555918 ~1985
Exp. Prime Factor Digits Year
5595587447646978 ~1985
5595613335736798 ~1985
5595731111914638 ~1984
5595929447674338 ~1985
55959791007276239 ~1986
55961333133834499 ~1987
5596183559618318 ~1985
5596277447702178 ~1985
5596307447704578 ~1985
5596403111928078 ~1984
5596499111929998 ~1984
5596673335800398 ~1985
55968131343235139 ~1986
5597057783587998 ~1986
5597099111941998 ~1984
5597351447788098 ~1985
5597461335847678 ~1985
5597897447831778 ~1985
5598067559806718 ~1985
5598077447846178 ~1985
5598077783730798
5598251111965038 ~1984
5598283895725298 ~1986
5598371111967438 ~1984
5598473335908398 ~1985
Exp. Prime Factor Digits Year
5598617783806398 ~1986
5598623111972478 ~1984
55987094031070499 ~1988
5598871559887118 ~1985
55988831343731939 ~1986
5599019111980398 ~1984
55990432351598079 ~1987
5599081335944878 ~1985
5599463111989278 ~1984
55995071343881699 ~1986
5599571111991438 ~1984
55995911007926399 ~1986
5599679111993598 ~1984
5599799447983938 ~1985
5599961335997678 ~1985
5600143560014318 ~1985
5600279112005598 ~1984
5600729448058338 ~1985
5601061336063678 ~1985
5601269448101538 ~1985
56017812240712419 ~1987
5601833336109998 ~1985
5601863112037278 ~1984
5601923112038478 ~1984
5602139112042798 ~1984
772
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26-09-27