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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
154282213394208639 ~1990
154284291234274339 ~1989
15429241925754478 ~1988
15429383308587678 ~1987
154295591542955919 ~1989
15429671308593438 ~1987
15429779308595598 ~1987
15429923308598478 ~1987
15430139308602798 ~1987
15430379308607598 ~1987
15430763308615278 ~1987
15431159308623198 ~1987
154311791543117919 ~1989
154331518642564579 ~1991
15433283308665678 ~1987
15434117926047038 ~1988
154343332160806639 ~1989
15435443308708878 ~1987
15435503308710078 ~1987
154355473704531299 ~1990
15435671308713438 ~1987
15435911308718238 ~1987
154363191234905539 ~1989
154373711543737119 ~1989
154374411234995299 ~1989
Exponent Prime Factor Digits Year
15437651308753038 ~1987
15438719308774398 ~1987
15439019308780398 ~1987
15439211308784238 ~1987
154393271543932719 ~1989
15439331308786638 ~1987
154397511235180099 ~1989
15439883308797678 ~1987
154398891235191139 ~1989
154400392779207039 ~1989
15440219308804398 ~1987
154406877411529779 ~1991
15441121926467278 ~1988
15441599308831998 ~1987
154416411235331299 ~1989
15441781926506878 ~1988
15441971308839438 ~1987
15442019308840398 ~1987
15442631308852638 ~1987
15442811308856238 ~1987
15442957926577438 ~1988
15443003308860078 ~1987
15443303308866078 ~1987
15443861926631678 ~1988
15443951308879038 ~1987
Exponent Prime Factor Digits Year
15444119308882398 ~1987
154442512779965199 ~1989
154446411235571299 ~1989
15445033926701998 ~1988
15445583308911678 ~1987
15445739308914798 ~1987
15445823308916478 ~1987
15445873926752398 ~1988
15446003308920078 ~1987
15446699308933998 ~1987
15446891308937838 ~1987
15447121926827278 ~1988
15447359308947198 ~1987
15447479308949598 ~1987
154475831544758319 ~1989
15447613926856798 ~1988
15448379308967598 ~1987
15448523308970478 ~1987
15448549145216360710 ~1991
15448703308974078 ~1987
15448991308979838 ~1987
15449411308988238 ~1987
15449543308990878 ~1987
15449891308997838 ~1987
15450137927008238 ~1988
Exponent Prime Factor Digits Year
154501871545018719 ~1989
15450191309003838 ~1987
154502211236017699 ~1989
15450251309005038 ~1987
154502511236020099
15450299309005998 ~1987
15450313927018798 ~1988
15450371309007438 ~1987
15450551309011038 ~1987
15450731309014638 ~1987
15450983309019678 ~1987
15451571309031438 ~1987
15451703309034078 ~1987
15452543309050878 ~1987
15452579309051598 ~1987
154529591545295919 ~1989
15453131309062638 ~1987
15453299309065998 ~1987
15453359309067198 ~1987
15453419309068398 ~1987
154536493708875779 ~1990
15453983309079678 ~1987
15454199309083998 ~1987
15454451309089038 ~1987
15454739309094798 ~1987
1263
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25-06-08