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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
239051947810397 ~1981
2390623239062318 ~1983
2390737143444238 ~1982
2390737382517938
2390767239076718 ~1983
239083147816637 ~1981
239087947817597 ~1981
23909572056223039 ~1985
239107147821437 ~1981
2391107621687838 ~1984
2391113334755838 ~1983
2391469526123198 ~1983
2391539191323138 ~1982
239167147833437 ~1981
23917694400854979 ~1986
2391799239179918 ~1983
2391953143517198 ~1982
239213947842797 ~1981
2392193717657918 ~1984
2392249956899618 ~1984
239234347846877 ~1981
23925612440412239 ~1985
239261947852397 ~1981
2392661191412898 ~1982
2392681382828978 ~1983
Exp. Prime Factor Digits Year
239275147855037 ~1981
239281147856237 ~1981
2392961143577678 ~1982
2392961765747538
2393119239311918 ~1983
2393189717956718 ~1984
239329147865837 ~1981
239335147867037 ~1981
239351947870397 ~1981
2393717191497378 ~1982
2393761383001778 ~1983
2393837718151118 ~1984
2393933143635998 ~1982
23940971675867919 ~1985
23941092106815939 ~1985
2394157574597698 ~1983
2394187383069938 ~1983
23941871388628479
2394221143653278 ~1982
2394241143654478 ~1982
2394377143662638 ~1982
239438347887677 ~1981
2394641191571298 ~1982
23947311341049379 ~1984
239503147900637 ~1981
Exp. Prime Factor Digits Year
23951891149690739 ~1984
2395241191619298 ~1982
239549947909997 ~1981
239551147910237 ~1981
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
Exp. Prime Factor Digits Year
239720347944077 ~1981
23973191965801599 ~1985
239737147947437 ~1981
239738347947677 ~1981
2397481383596978 ~1983
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
448
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26-07-05