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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
6561547656154718 ~1986
6561619656161918 ~1986
65616731049867699 ~1986
6561791524943298 ~1986
6561833393709998 ~1985
6561937393716238 ~1985
65622431049958899 ~1986
6562271131245438 ~1984
6562559525004738 ~1986
6562691131253838 ~1984
6562723656272318 ~1986
6562763131255278 ~1984
65628131050050099 ~1986
6562931525034498 ~1986
6563159131263198 ~1984
6563383656338318 ~1986
6563743656374318 ~1986
65640012625600419 ~1987
65640111706642879 ~1987
6564247656424718 ~1986
6564359131287198 ~1984
6564359525148738
6565259131305198 ~1984
65653671181766079 ~1987
6565379131307598 ~1984
Exp. Prime Factor Digits Year
6565463131309278 ~1984
6565567656556718 ~1986
6565661525252898 ~1986
6565709525256738 ~1986
6565739131314798 ~1984
6565907525272578 ~1986
6565913393954798 ~1985
6565967525277378 ~1986
65659871575836899 ~1987
6566291131325838 ~1984
65663034727738179 ~1988
6566783131335678 ~1984
6566977394018638 ~1985
6567157394029438 ~1985
6567193394031598 ~1985
6567269525381538 ~1986
65673671182126079 ~1987
6567479131349598 ~1984
6567563131351278 ~1984
6567779525422338 ~1986
6567817394069038 ~1985
65678511707641279 ~1987
6568151131363038 ~1984
6568183656818318 ~1986
6568223131364478 ~1984
Exp. Prime Factor Digits Year
65684171050946739 ~1986
6568439525475138 ~1986
65684471050951539 ~1986
6568469525477538 ~1986
6568643131372878 ~1984
6568811525504898 ~1986
6568841394130478 ~1985
6569219131384398 ~1984
6569243131384878 ~1984
6569267525541378 ~1986
65695813022007279 ~1988
6569723131394478 ~1984
6569729525578338 ~1986
65700891971026719 ~1987
6570191525615298 ~1986
6570359131407198 ~1984
6570437919861198 ~1986
6570527525642178 ~1986
6570677525654178 ~1986
6570749919904878 ~1986
6570869525669538 ~1986
65711891971356719 ~1987
6571223131424478 ~1984
6571319131426398 ~1984
6571421394285278 ~1985
Exp. Prime Factor Digits Year
6571703131434078 ~1984
6571793394307598 ~1985
6571867657186718 ~1986
6571871131437438 ~1984
6572003131440078 ~1984
6572099131441998 ~1984
6572099525767938
6572243131444878 ~1984
6572459131449198 ~1984
6572459525796738
6572543131450878 ~1984
6572857394371438 ~1985
6572921525833698 ~1986
6572927525834178 ~1986
6573173394390398 ~1985
6573197209027664710 ~1990
6573419131468398 ~1984
6573521525881698 ~1986
6573659131473198 ~1984
6573689525895138 ~1986
6573877394432638 ~1985
65739071183303279 ~1987
6573911525912898 ~1986
6573913394434798 ~1985
6574037525922978 ~1986
828
GIMPS The Prime Pages FactorDb.com
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26-02-08