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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
29622419592448398 ~1989
29622503592450078 ~1989
29622563592451278 ~1989
29622863592457278 ~1989
29623523592470478 ~1989
296236372369890979 ~1991
29623871592477438 ~1989
29623943592478878 ~1989
29623991592479838 ~1989
296241371777448239 ~1990
296246694147453679 ~1991
29624891592497838 ~1989
29625539592510798 ~1989
29626463592529278 ~1989
296268131777608799 ~1990
296283117703360879 ~1992
29628479592569598 ~1989
29628743592574878 ~1989
296289531777737199 ~1990
29629643592592878 ~1989
29629679592593598 ~1989
29629811592596238 ~1989
29630123592602478 ~1989
29630459592609198 ~1989
296308931777853599 ~1990
Exponent Prime Factor Digits Year
296313731777882399 ~1990
29632451592649038 ~1989
29632643592652878 ~1989
29633003592660078 ~1989
29633759592675198 ~1989
29633951592679038 ~1989
29634443592688878 ~1989
29635499592709998 ~1989
29636459592729198 ~1989
29636591592731838 ~1989
29637431592748638 ~1989
296378472963784719 ~1991
29638079592761598 ~1989
296387812371102499 ~1991
29638799592775998 ~1989
29639723592794478 ~1989
29639903592798078 ~1989
29640623592812478 ~1989
29640983592819678 ~1989
29641439592828798 ~1989
29641571592831438 ~1989
29641751592835038 ~1989
29641883592837678 ~1989
296420512371364099 ~1991
296420877706942639 ~1992
Exponent Prime Factor Digits Year
296420992371367939 ~1991
296423297114158979 ~1992
29642363592847278 ~1989
29643023592860478 ~1989
296430775306110783111 ~1997
29643371592867438 ~1989
29643479592869598 ~1989
296435411778612479 ~1990
296436731778620399 ~1990
29644859592897198 ~1989
29644871142295380910 ~1993
29645039592900798 ~1989
29645123592902478 ~1989
29645243592904878 ~1989
29646191592923838 ~1989
29646299592925998 ~1989
29646719592934398 ~1989
29647043592940878 ~1989
29647679592953598 ~1989
29647703592954078 ~1989
29647763592955278 ~1989
29647823592956478 ~1989
296478531778871199 ~1990
29648579592971598 ~1989
29649143592982878 ~1989
Exponent Prime Factor Digits Year
29649611592992238 ~1989
29649923592998478 ~1989
29650451593009038 ~1989
29650559593011198 ~1989
29650871593017438 ~1989
29651399593027998 ~1989
296517731779106399 ~1991
29651879593037598 ~1989
296519771779118639 ~1991
29652431593048638 ~1989
29652971593059438 ~1989
29653199593063998 ~1989
296533331779199999 ~1991
29653511593070238 ~1989
29654363593087278 ~1989
29654389142341067310 ~1993
296544197117060579 ~1992
29654591593091838 ~1989
296551372372410979 ~1991
29655683593113678 ~1989
29656019593120398 ~1989
29656391593127838 ~1989
296564392372515139 ~1991
296565195338173439 ~1992
29657003593140078 ~1989
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25-05-04