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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
315923574422929999 ~1992
315923771895542639 ~1991
31592651631853038 ~1990
31592843631856878 ~1990
315929211895575279 ~1991
31593491631869838 ~1990
31593959631879198 ~1990
31593983631879678 ~1990
315948673159486719 ~1991
31595363631907278 ~1990
31595771631915438 ~1990
31596611631932238 ~1990
315966795687402239 ~1992
31596709151664203310 ~1993
31596839631936798 ~1990
31596899631937998 ~1990
315968997583255779
31597739631954798 ~1990
315985372527882979 ~1991
31598543631970878 ~1990
31598771631975438 ~1990
31598783631975678 ~1990
315993075055889139 ~1992
31599611631992238 ~1990
31599671631993438 ~1990
Exponent Prime Factor Digits Year
31599959631999198 ~1990
31600703632014078 ~1990
31600823632016478 ~1990
31601099632021998 ~1990
31602143632042878 ~1990
31602803632056078 ~1990
31603139632062798 ~1990
31603751632075038 ~1990
31603931632078638 ~1990
31605263632105278 ~1990
31605419632108398 ~1990
31605443632108878 ~1990
31605551632111038 ~1990
316057792528462339 ~1991
31605971632119438 ~1990
31606079632121598 ~1990
31606691632133838 ~1990
316066971896401839 ~1991
316067272528538179 ~1991
31606931632138638 ~1990
31607039632140798 ~1990
31607291632145838 ~1990
316080292528642339 ~1991
31608779632175598 ~1990
31608959632179198 ~1990
Exponent Prime Factor Digits Year
31609031632180638 ~1990
31609223632184478 ~1990
31609691632193838 ~1990
316096931896581599 ~1991
31610171632203438 ~1990
31610279632205598 ~1990
31611011632220238 ~1990
31611539632230798 ~1990
31611719632234398 ~1990
31611803632236078 ~1990
31611851632237038 ~1990
31612739632254798 ~1990
31612991632259838 ~1990
31613243632264878 ~1990
31613399632267998 ~1990
31613819632276398 ~1990
31614839632296798 ~1990
31614899632297998 ~1990
31615403632308078 ~1990
31615763632315278 ~1990
31615999107494396710 ~1993
316163272529306179 ~1991
31616339632326798 ~1990
31617011632340238 ~1990
31617023632340478 ~1990
Exponent Prime Factor Digits Year
31617251632345038 ~1990
31617959632359198 ~1990
31618043632360878 ~1990
31618199632363998 ~1990
31618319632366398 ~1990
31618703632374078 ~1990
31620131632402638 ~1990
31620203632404078 ~1990
31620299632405998 ~1990
31620443632408878 ~1990
316210011897260079 ~1991
31621043632420878 ~1990
316210811897264879 ~1991
31621259632425198 ~1990
31621559632431198 ~1990
31621703632434078 ~1990
316219012529752099 ~1991
31622183632443678 ~1990
31622579632451598 ~1990
31623023632460478 ~1990
31623479632469598 ~1990
31623491632469838 ~1990
316236171897417039 ~1991
31624283632485678 ~1990
31624511632490238 ~1990
1774
GIMPS The Prime Pages FactorDb.com
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25-05-04