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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
12148271242965438 ~1986
12148511242970238 ~1986
12148561728913678 ~1987
12148601728916078 ~1987
12148777728926638 ~1987
121488113158690879 ~1989
121492991214929919 ~1988
12149363242987278 ~1986
121496632915919139 ~1989
12149699242993998 ~1986
12149741971979298 ~1988
12149771242995438 ~1986
12150431243008638 ~1986
12150683243013678 ~1986
12150757729045438 ~1987
12151031243020638 ~1986
12151343243026878 ~1986
121514831215148319 ~1988
12151679243033598 ~1986
12152099243041998 ~1986
12152639243052798 ~1986
12153041729182478 ~1987
12153143243062878 ~1986
12153299243065998 ~1986
12153803243076078 ~1986
Exponent Prime Factor Digits Year
12153893729233598 ~1987
12153899243077998 ~1986
12153923243078478 ~1986
121542671215426719 ~1988
12154477729268638 ~1987
12155021729301278 ~1987
12155579972446338 ~1988
12156251243125038 ~1986
12156299243125998 ~1986
12156383243127678 ~1986
12157199243143998 ~1986
121573031215730319 ~1988
12157763243155278 ~1986
121593311945492979 ~1989
12159359243187198 ~1986
12159647972771778 ~1988
12159853729591198 ~1987
12160523243210478 ~1986
12160751243215038 ~1986
12160937729656238 ~1987
12161293729677598 ~1987
12161833729709998 ~1987
121618992918855779 ~1989
12161977729718638 ~1987
12162203243244078 ~1986
Exponent Prime Factor Digits Year
12162263243245278 ~1986
121628532675827679 ~1989
121628532919084739
12162911243258238 ~1986
12162959243259198 ~1986
12162971243259438 ~1986
12163031243260638 ~1986
12163103243262078 ~1986
12163337729800238 ~1987
121633871216338719 ~1988
12163523243270478 ~1986
12164329143539082310 ~1991
12164353729861198 ~1987
12164423243288478 ~1986
12164699243293998 ~1986
12164819243296398 ~1986
12164903243298078 ~1986
12164969973197538 ~1988
12165011243300238 ~1986
12165383243307678 ~1986
121655893649676719 ~1989
12166201729972078 ~1987
12166439243328798 ~1986
121670331703384639 ~1988
12167377730042638 ~1987
Exponent Prime Factor Digits Year
12167423243348478 ~1986
12167537309055439910 ~1991
12167663243353278 ~1986
12168239243364798 ~1986
12168257163054643910 ~1991
12168839243376798 ~1986
12168851973508098 ~1988
12169361973548898 ~1988
121699571947193139 ~1989
12170057973604578 ~1988
12170189973615138 ~1988
12170303243406078 ~1986
12170771243415438 ~1986
12171539973723138 ~1988
12171671243433438 ~1986
12171671973733698
12171683243433678 ~1986
12172691243453838 ~1986
121731791217317919 ~1988
12173303243466078 ~1986
12173459243469198 ~1986
12173519243470398 ~1986
12173723243474478 ~1986
12173779223997533710 ~1991
12173891243477838 ~1986
1115
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25-04-13