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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
145314431453144319 ~1989
14531459290629198 ~1987
145318093487634179 ~1990
14531843290636878 ~1987
14532299290645998 ~1987
14532503290650078 ~1987
14532659290653198 ~1987
145328112615905999 ~1989
14532851290657038 ~1987
14532923290658478 ~1987
14532961871977678 ~1988
14533583290671678 ~1987
145343691162749539 ~1988
14534483290689678 ~1987
14534759290695198 ~1987
14534783290695678 ~1987
14535593872135598 ~1988
14535611290712238 ~1987
145356674942126799 ~1990
14535863290717278 ~1987
14535971290719438 ~1987
14536631290732638 ~1987
14537051290741038 ~1987
14537557872253438 ~1988
14537639290752798 ~1987
Exponent Prime Factor Digits Year
14537879290757598 ~1987
14538053872283198 ~1988
14538203290764078 ~1987
14538479290769598 ~1987
14538911290778238 ~1987
14539043290780878 ~1987
14539223290784478 ~1987
145393611163148899 ~1988
14539523290790478 ~1987
14539571290791438 ~1987
145401671454016719 ~1989
145404891163239139 ~1988
14540569101783983110 ~1991
14540693872441598 ~1988
14541419290828398 ~1987
145416911454169119 ~1989
145421831454218319 ~1989
14542211290844238 ~1987
145422673490144099 ~1990
14542271290845438 ~1987
145430511163444099 ~1988
14543099290861998 ~1987
14543363290867278 ~1987
14543519290870398 ~1987
145436091163488739 ~1988
Exponent Prime Factor Digits Year
145442473490619299 ~1990
14544371290887438 ~1987
14544839290896798 ~1987
14545213872712798 ~1988
145454094363622719 ~1990
14545439290908798 ~1987
145466392618395039 ~1989
145470592618470639 ~1989
14547311290946238 ~1987
14547443290948878 ~1987
14547479290949598 ~1987
14548463290969278 ~1987
145485191454851919 ~1989
14548619290972398 ~1987
145489311163914499 ~1988
145489394946639279 ~1990
14549063290981278 ~1987
14549159290983198 ~1987
145492872327885939 ~1989
145497496983879539 ~1990
145498611163988899 ~1988
14549963290999278 ~1987
14550071291001438 ~1987
14550443291008878 ~1987
14550863291017278 ~1987
Exponent Prime Factor Digits Year
145509713783252479 ~1990
14551139291022798 ~1987
14551393873083598 ~1988
14551561873093678 ~1988
14551703291034078 ~1987
145519093492458179 ~1990
145523712328379379 ~1989
14552653873159198 ~1988
14552711291054238 ~1987
14553023291060478 ~1987
14553251291065038 ~1987
145532811164262499 ~1988
14553359291067198 ~1987
14553611291072238 ~1987
14553659291073198 ~1987
14554237873254238 ~1988
14554271291085438 ~1987
14554301873258078 ~1988
145544871164358979 ~1988
14554583291091678 ~1987
145554471164435779 ~1988
14555483291109678 ~1987
145557311455573119 ~1989
14555819291116398 ~1987
14555903291118078 ~1987
1249
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25-09-07