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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
264131171584787039 ~1990
26413151528263038 ~1989
264137211584823279 ~1990
26413811528276238 ~1989
264144734226315699 ~1991
26414939528298798 ~1989
264152411584914479 ~1990
26416163528323278 ~1989
26416343528326878 ~1989
26416823528336478 ~1989
26416919528338398 ~1989
264175373698455199 ~1991
26417939528358798 ~1989
26418611528372238 ~1989
264192792641927919 ~1991
26419643528392878 ~1989
264196436340714339
26419859528397198 ~1989
26420519528410398 ~1989
26420879528417598 ~1989
26421299528425998 ~1989
26421803528436078 ~1989
26422031528440638 ~1989
26422399612999656910 ~1994
26422499528449998 ~1989
Exponent Prime Factor Digits Year
26423231528464638 ~1989
264238972113911779 ~1990
264242874756371679 ~1991
264243533699409439 ~1991
26424683528493678 ~1989
26425331528506638 ~1989
26425439528508798 ~1989
26425571528511438 ~1989
26425739528514798 ~1989
26425799528515998 ~1989
26426051528521038 ~1989
26426579528531598 ~1989
26426759528535198 ~1989
26426791105707164110 ~1992
264270172114161379 ~1990
26427179528543598 ~1989
26427311528546238 ~1989
26427419528548398 ~1989
26428163528563278 ~1989
26428511528570238 ~1989
264286038985725039 ~1992
26429159528583198 ~1989
26429363528587278 ~1989
26431211528624238 ~1989
26431271528625438 ~1989
Exponent Prime Factor Digits Year
26432039528640798 ~1989
264333531586001199 ~1990
264339731586038399 ~1990
26433983528679678 ~1989
26434511528690238 ~1989
26434799528695998 ~1989
26435063528701278 ~1989
264352935815764479 ~1991
26435483528709678 ~1989
26435771528715438 ~1989
26436359528727198 ~1989
26436803528736078 ~1989
26437199528743998 ~1989
26437259528745198 ~1989
26437283528745678 ~1989
264374272114994179 ~1990
26438039528760798 ~1989
264382331586293999 ~1990
264382972115063779 ~1990
264386472643864719 ~1991
264386531586319199 ~1990
26438759528775198 ~1989
26438771528775438 ~1989
26439151470616887910 ~1994
26439863528797278 ~1989
Exponent Prime Factor Digits Year
264399772115198179 ~1990
26440451528809038 ~1989
26440907936008107910 ~1994
264410896345861379 ~1992
26441399528827998 ~1989
264418672115349379 ~1990
264419512115356099 ~1990
264422112644221119 ~1991
26442323528846478 ~1989
264423971586543839 ~1990
26442551528851038 ~1989
26443283528865678 ~1989
26444039528880798 ~1989
26444051528881038 ~1989
264441611586649679 ~1990
26444471528889438 ~1989
26444543528890878 ~1989
26444711528894238 ~1989
26445203528904078 ~1989
26445323528906478 ~1989
26445851528917038 ~1989
26446319528926398 ~1989
26446559528931198 ~1989
264472514231560179 ~1991
264477771586866639 ~1990
1623
GIMPS The Prime Pages FactorDb.com
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25-05-04