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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
394450183631120292910 ~2000
3944545797889091599 ~1998
394464593236678755910 ~1999
3944705211498987979911 ~2001
3944988597889977199 ~1998
3945112917890225839 ~1998
3945114237890228479 ~1998
3945127437890254879 ~1998
3945131397890262799 ~1998
3945145917890291839 ~1998
3945147597890295199 ~1998
394521847394521847110 ~2000
3945219237890438479 ~1998
394531153236718691910 ~1999
394533149315626519310 ~2000
3945375717890751439 ~1998
3945418917890837839 ~1998
3945457797890915599 ~1998
394553437236732062310 ~1999
394560527315648421710 ~2000
3945722397891444799 ~1998
3945764997891529999 ~1998
394579109315663287310 ~2000
394580107631328171310 ~2000
3945815037891630079 ~1998
Exponent Prime Factor Digits Year
3945929037891858079 ~1998
3946083237892166479 ~1998
394623461315698768910 ~2000
3946407837892815679 ~1998
3946459437892918879 ~1998
3946517037893034079 ~1998
3946557117893114239 ~1998
394676693236806015910 ~1999
394700197236820118310 ~1999
3947075637894151279 ~1998
3947274237894548479 ~1998
3947283597894567199 ~1998
3947319237894638479 ~1998
3947832117895664239 ~1998
3947932917895865839 ~1998
3948210717896421439 ~1998
394822151315857720910 ~2000
394846637315877309710 ~2000
3948528837897057679 ~1998
3948573717897147439 ~1998
3948580917897161839 ~1998
3948645117897290239 ~1998
3948771837897543679 ~1998
394878307394878307110 ~2000
3948822915449375615911 ~2003
Exponent Prime Factor Digits Year
3948864237897728479 ~1998
3949119717898239439 ~1998
3949180917898361839 ~1998
3949214517898429039 ~1998
394930937236958562310 ~1999
3949494597898989199 ~1998
394952953947887087310 ~2001
3949529637899059279 ~1998
3950086437900172879 ~1998
395015021237009012710 ~1999
3950208597900417199 ~1998
395032397316025917710 ~2000
395037793237022675910 ~1999
395043751395043751110 ~2000
3950489397900978799 ~1998
3950538597901077199 ~1998
3950565837901131679 ~1998
39509638922441474895312 ~2004
395105597237063358310 ~1999
3951059997902119999 ~1998
395106137237063682310 ~1999
395109901237065940710 ~1999
3951188831580475532111 ~2001
3951272637902545279 ~1998
3951341397902682799 ~1998
Exponent Prime Factor Digits Year
395137733237082639910 ~1999
3951435597902871199 ~1998
3951588597903177199 ~1998
3951609597903219199 ~1998
3951654237903308479 ~1998
3951718797903437599 ~1998
395173033869380672710 ~2001
3951753117903506239 ~1998
3951811797903623599 ~1998
3951921597903843199 ~1998
395215153237129091910 ~1999
395217637237130582310 ~1999
395218973237131383910 ~1999
3952361997904723999 ~1998
3952372917904745839 ~1998
3952462317904924639 ~1998
3952625997905251999 ~1998
395275021869605046310 ~2001
3952868517905737039 ~1998
3953100117906200239 ~1998
3953274597906549199 ~1998
3953458317906916639 ~1998
3953463597906927199 ~1998
3953500317907000639 ~1998
3953533797907067599 ~1998
3157
GIMPS The Prime Pages FactorDb.com
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25-07-08