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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
8942207715376578 ~1987
8942321715385698 ~1987
8942993536579598 ~1986
8943023178860478 ~1985
8943323178866478 ~1985
8943359178867198 ~1985
8943437536606238 ~1986
8943601536616078 ~1986
8943673536620398 ~1986
89441231431059699 ~1988
8944259715540738 ~1987
8944361536661678 ~1986
89445711610022799 ~1988
8944603894460318 ~1987
8944679178893598 ~1985
89446791610042239
8944937715594978 ~1987
8944973536698398 ~1986
8945351178907038 ~1985
8945441715635298 ~1987
8945669715653538 ~1987
8945821536749278 ~1986
8946251178925038 ~1985
8946719178934398 ~1985
89470318589149779 ~1989
Exp. Prime Factor Digits Year
8947331178946638 ~1985
8947511178950238 ~1985
8947817112742494310 ~1990
8948123178962478 ~1985
8948473413419452710 ~1991
8948711178974238 ~1985
8948921536935278 ~1986
89490371431845939 ~1988
8949071178981438 ~1985
8949601536976078 ~1986
8949797536987838 ~1986
89497972147951299
8949839429592272110 ~1991
8950043179000878 ~1985
8950049716003938 ~1987
8950181716014498 ~1987
8950889716071138 ~1987
8951051179021038 ~1985
8951081537064878 ~1986
8951269164703349710 ~1990
8951339179026798 ~1985
8951399179027998 ~1985
8951687716134978 ~1987
8951711179034238 ~1985
8952323179046478 ~1985
Exp. Prime Factor Digits Year
8952431179048638 ~1985
8952479179049598 ~1985
89525111432401779 ~1988
89526735729710739 ~1989
8953319179066398 ~1985
8953403179068078 ~1985
8953709716296738 ~1987
8953733537223998 ~1986
8953771895377118 ~1987
8953811179076238 ~1985
8953943179078878 ~1985
89539432148946339
8954051716324098 ~1987
89540513760701439
8954213537252798 ~1986
8954321537259278 ~1986
8954831716386498 ~1987
89550833761134879 ~1989
8955181537310878 ~1986
8955371179107438 ~1985
8955539179110798 ~1985
8955547895554718 ~1987
8955599179111998 ~1985
8955703895570318 ~1987
8955899179117998 ~1985
Exp. Prime Factor Digits Year
8955977537358638 ~1986
8955977716478178
89562172149492099 ~1988
8956463179129278 ~1985
8956537537392238 ~1986
8956681537400878 ~1986
8956757537405438 ~1986
8956889716551138 ~1987
8957381537442878 ~1986
8957539895753918 ~1987
8957579179151598 ~1985
8957771179155438 ~1985
8958011179160238 ~1985
8958149716651938 ~1987
8958203179164078 ~1985
8958311716664898 ~1987
8958667895866718 ~1987
8958731179174638 ~1985
8959343179186878 ~1985
8959451179189038 ~1985
8959913537594798 ~1986
8959981537598878 ~1986
8960183179203678 ~1985
8960261716820898 ~1987
8960293537617598 ~1986
1011
GIMPS The Prime Pages FactorDb.com
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26-07-05