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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.
Exp. Prime Factor Digits Year
2395529574926978 ~1983
2395693143741598 ~1982
23958231341660899 ~1984
2395889575013378 ~1983
2395901191672098 ~1982
2396041143762478 ~1982
239606347921277 ~1981
239612347922477 ~1981
2396153575076738 ~1983
23961891485637199 ~1984
2396239431323038 ~1983
2396353383416498 ~1983
2396419239641918 ~1983
239642347928477 ~1981
2396567191725378 ~1982
239659147931837 ~1981
2396743239674318 ~1983
239675947935197 ~1981
2397001143820078 ~1982
23970072157306319 ~1985
2397139431485038 ~1983
239720347944077 ~1981
239737147947437 ~1981
239738347947677 ~1981
2397481383596978 ~1983
Exp. Prime Factor Digits Year
239749147949837 ~1981
2397587191806978 ~1982
2397631239763118 ~1983
239768347953677 ~1981
2397917191833378 ~1982
2398051239805118 ~1983
23980612637867119 ~1985
239821147964237 ~1981
2398307191864578 ~1982
23983791199189519 ~1984
239839147967837 ~1981
2398777575706498 ~1983
2398867431796078 ~1983
2399231623800078 ~1984
2399249575819778 ~1983
2399407431893278 ~1983
239954347990877 ~1981
2399753143985198 ~1982
2399759191980738 ~1982
23999511727964739 ~1985
24000192688021299 ~1985
2400037144002238 ~1982
240014348002877 ~1981
2400161720048318 ~1984
2400163576039138 ~1983
Exp. Prime Factor Digits Year
2400187240018718 ~1983
2400221144013278 ~1982
240031148006237 ~1981
2400469528103198 ~1983
2400613144036798 ~1982
2400779192062338 ~1982
2400793960317218 ~1984
2401219960487618 ~1984
2401237384197938 ~1983
240146348029277 ~1981
24014631921170419
2401561720468318 ~1984
2401571192125698 ~1982
240158348031677 ~1981
2401621528356638 ~1983
2401727432310878 ~1983
2401967192157378 ~1982
2401967576472098
240199148039837 ~1981
2402053528451678 ~1983
2402087192166978 ~1982
2402203576528738 ~1983
240265148053037 ~1981
2402677144160638 ~1982
2402707384433138 ~1983
Exp. Prime Factor Digits Year
240281948056397 ~1981
2402837144170238 ~1982
240295148059037 ~1981
2402999432539838 ~1983
240308348061677 ~1981
2403127384500338 ~1983
2403131192250498 ~1982
2403277384524338 ~1983
240337148067437 ~1981
2403469961387618 ~1984
2403517144211038 ~1982
2403619432651438 ~1983
2403881144232878 ~1982
2403931240393118 ~1983
2403941192315298 ~1982
24040091298164879 ~1984
2404033144241998 ~1982
2404291432772398 ~1983
240463148092637 ~1981
240467948093597 ~1981
2404757577141698 ~1983
240485948097197 ~1981
240517148103437 ~1981
2405213721563918 ~1984
2405297144317838 ~1982
432
GIMPS The Prime Pages FactorDb.com
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25-06-01