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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
8934071178681438 ~1985
8934083178681678 ~1985
8934173536050398 ~1986
8934521714761698 ~1987
8934631893463118 ~1987
8934743178694878 ~1985
89350211965704639 ~1988
89352311608341599 ~1988
8935313536118798 ~1986
8935541536132478 ~1986
8935631178712638 ~1985
8935637536138238 ~1986
8935691178713838 ~1985
8935739178714798 ~1985
8935739714859138
8935763178715278 ~1985
89359211429747379 ~1987
8936041536162478 ~1986
8936183178723678 ~1985
8936771178735438 ~1985
8936947893694718 ~1987
8936953536217198 ~1986
8937119178742398 ~1985
8937167714973378 ~1987
89377271608790879 ~1988
Exp. Prime Factor Digits Year
8937811893781118 ~1987
8938093536285598 ~1986
89383332681499919 ~1988
8938561536313678 ~1986
89386372145272899 ~1988
8938921536335278 ~1986
8939891178797838 ~1985
8939993536399598 ~1986
8940023178800478 ~1985
89405533576221219 ~1988
8940593536435598 ~1986
8940913536454798 ~1986
8941057536463438 ~1986
89417812861369939 ~1988
8942039178840798 ~1985
8942111715368898 ~1987
8942159178843198 ~1985
8942993536579598 ~1986
8943023178860478 ~1985
8943323178866478 ~1985
8943359178867198 ~1985
8943437536606238 ~1986
8943601536616078 ~1986
8943673536620398 ~1986
8944361536661678 ~1986
Exp. Prime Factor Digits Year
89445711610022799 ~1988
8944603894460318 ~1987
8944679178893598 ~1985
8944973536698398 ~1986
8945351178907038 ~1985
8945441715635298 ~1987
8945821536749278 ~1986
8946251178925038 ~1985
8946719178934398 ~1985
89470318589149779 ~1989
8947331178946638 ~1985
8947511178950238 ~1985
8948123178962478 ~1985
8948473413419452710 ~1991
8948711178974238 ~1985
8948921536935278 ~1986
89490371431845939 ~1987
8949071178981438 ~1985
8949601536976078 ~1986
8949797536987838 ~1986
89497972147951299
8949839429592272110 ~1991
8950043179000878 ~1985
8950049716003938 ~1987
8950181716014498 ~1987
Exp. Prime Factor Digits Year
8951051179021038 ~1985
8951081537064878 ~1986
8951269164703349710 ~1990
8951339179026798 ~1985
8951399179027998 ~1985
8951687716134978 ~1987
8951711179034238 ~1985
8952323179046478 ~1985
8952431179048638 ~1985
8952479179049598 ~1985
89525111432401779 ~1987
89526735729710739 ~1989
8953319179066398 ~1985
8953403179068078 ~1985
8953733537223998 ~1986
8953771895377118 ~1987
8953811179076238 ~1985
8953943179078878 ~1985
89539432148946339
89540513760701439 ~1989
8954213537252798 ~1986
8954321537259278 ~1986
8954831716386498 ~1987
8955181537310878 ~1986
8955371179107438 ~1985
963
GIMPS The Prime Pages FactorDb.com
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25-07-08