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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
4932287394582978 ~1985
4932437295946238 ~1984
49324612762178179 ~1987
4932497394599778 ~1985
493267198653437 ~1983
4932671887880798
4932757789241138 ~1985
4932859887914638 ~1986
49332833551963779 ~1987
4933363493336318 ~1985
4933373296002398 ~1984
4933457296007438 ~1984
493349998669997 ~1983
4933783493378318 ~1985
493381198676237 ~1983
49338111282790879
493397998679597 ~1983
493418398683677 ~1983
4934221296053278 ~1984
493439998687997 ~1983
4934513296070798 ~1984
493454398690877 ~1983
4934977789596338 ~1985
4935053296103198 ~1984
4935061789609778 ~1985
Exp. Prime Factor Digits Year
4935149394811938 ~1985
493532398706477 ~1983
493550398710077 ~1983
4935641394851298 ~1985
4935653296139198 ~1984
493574398714877 ~1983
4936097296165838 ~1984
49362131085966879 ~1986
493661998732397 ~1983
4936753296205198 ~1984
4937027394962178 ~1985
4937041296222478 ~1984
49372391184937379 ~1986
4937371493737118 ~1985
4937399394991938 ~1985
493742398748477 ~1983
4937551493755118 ~1985
49378131481343919 ~1986
493796398759277 ~1983
4937971493797118 ~1985
4938217790114738 ~1985
493823998764797 ~1983
493859998771997 ~1983
493862398772477 ~1983
493877998775597 ~1983
Exp. Prime Factor Digits Year
4939021296341278 ~1984
4939049395123938 ~1985
4939091395127298 ~1985
493952398790477 ~1983
493963198792637 ~1983
4939997296399838 ~1984
4940161296409678 ~1984
494023198804637 ~1983
4940531395242498 ~1985
494065198813037 ~1983
4940671494067118 ~1985
4940753346840860710 ~1989
494084398816877 ~1983
49412636028340879 ~1988
494138398827677 ~1983
4941551889479198 ~1986
4941593296495598 ~1984
494173198834637 ~1983
4941787494178718 ~1985
4941857395348578 ~1985
49419434744265299 ~1987
494197198839437 ~1983
494198398839677 ~1983
49419833657067439
4942013296520798 ~1984
Exp. Prime Factor Digits Year
4942061296523678 ~1984
4942241395379298 ~1985
494227198845437 ~1983
49429011878302399 ~1986
4943011494301118 ~1985
494305198861037 ~1983
494306398861277 ~1983
494311198862237 ~1983
4943357296601438 ~1984
4943441296606478 ~1984
49436411977456419 ~1986
49436771186482499 ~1986
4943693296621598 ~1984
4943711395496898 ~1985
494383198876637 ~1983
494384398876877 ~1983
4943921296635278 ~1984
4943927889906878 ~1986
494411998882397 ~1983
4944281296656878 ~1984
494443198888637 ~1983
494453998890797 ~1983
4944557395564578 ~1985
4944691890044398 ~1986
4944713692259838 ~1985
677
GIMPS The Prime Pages FactorDb.com
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25-06-01