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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.
Exponent Prime Factor Digits Year
19467011389340238 ~1988
194671274672110499 ~1991
19467263389345278 ~1988
19467443389348878 ~1988
194677573114841139 ~1990
194685711557485699 ~1989
194687211168123279 ~1989
19468811389376238 ~1988
19468931389378638 ~1988
19469771389395438 ~1988
194698371168190239 ~1989
19470323389406478 ~1988
19470533155764264110 ~1992
194708092725913279 ~1990
19471619389432398 ~1988
19471631389432638 ~1988
19472111389442238 ~1988
19472291389445838 ~1988
194724131168344799 ~1989
194728011168368079 ~1989
19472903389458078 ~1988
19473131389462638 ~1988
19473719327158479310 ~1993
194737391947373919 ~1990
194739131168434799 ~1989
Exponent Prime Factor Digits Year
19474271389485438 ~1988
19474883389497678 ~1988
19474991389499838 ~1988
19475003389500078 ~1988
19475243389504878 ~1988
19475699389513998 ~1988
194759713116155379 ~1990
19476419389528398 ~1988
194764374674344899 ~1991
19476563389531278 ~1988
19476683389533678 ~1988
19476829463548530310 ~1993
19476851389537038 ~1988
19478051389561038 ~1988
194783591947835919 ~1990
194785331168711999 ~1989
19478579389571598 ~1988
19478831389576638 ~1988
19479359389587198 ~1988
19479431389588638 ~1988
194794372727121199 ~1990
194798696233558099 ~1991
194803671558429379 ~1989
19481411389628238 ~1988
19482623389652478 ~1988
Exponent Prime Factor Digits Year
194827631948276319 ~1990
19482779389655598 ~1988
19482791389655838 ~1988
19483031389660638 ~1988
19483199389663998 ~1988
19483619389672398 ~1988
194836193507051439
19483631389672638 ~1988
19484039389680798 ~1988
19485239389704798 ~1988
194863731169182399 ~1989
194871471558971779 ~1989
19487399389747998 ~1988
19487603389752078 ~1988
19487843389756878 ~1988
19487999389759998 ~1988
194883611169301679 ~1989
194883971169303839 ~1989
19488611389772238 ~1988
19488671389773438 ~1988
19489163389783278 ~1988
19489511389790238 ~1988
194895591559164739 ~1989
194896011169376079 ~1989
19489703389794078 ~1988
Exponent Prime Factor Digits Year
19490519389810398 ~1988
19490651389813038 ~1988
194907971169447839 ~1989
19492139389842798 ~1988
194925411559403299 ~1989
19492919389858398 ~1988
19493231389864638 ~1988
19493399389867998 ~1988
19494011389880238 ~1988
19494203389884078 ~1988
19494479389889598 ~1988
19494599389891998 ~1988
19494899389897998 ~1988
19495139389902798 ~1988
19495439389908798 ~1988
194957091696126683111 ~1994
194962371169774239 ~1989
19496819389936398 ~1988
194968492729558879 ~1990
194969591949695919 ~1990
19497311389946238 ~1988
19497431389948638 ~1988
194976416239245139 ~1991
19497839389956798 ~1988
194979134679499139 ~1991
1395
GIMPS The Prime Pages FactorDb.com
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25-04-13