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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
3379801540768178 ~1984
3380017202801038 ~1983
33801411081645139 ~1985
3380317811276098 ~1985
3380473202828398 ~1983
3380551338055118 ~1984
3380771270461698 ~1983
3380837270466978 ~1983
3381193202871598 ~1983
3381281270502498 ~1983
33812811014384319
3381401270512098 ~1983
3381479270518338 ~1983
3381613541058098 ~1984
3381787338178718 ~1984
338192367638477 ~1982
33821091623412339 ~1985
3382243338224318 ~1984
3382387338238718 ~1984
338245167649037 ~1982
3382571270605698 ~1983
3382649270611938 ~1983
33826577035926579 ~1987
3382867541258738 ~1984
3382993541278898 ~1984
Exp. Prime Factor Digits Year
3383161541305778 ~1984
3383173202990398 ~1983
338329167665837 ~1982
3383321202999278 ~1983
3383441270675298 ~1983
3383453203007198 ~1983
3383753203025198 ~1983
3383773541403698 ~1984
338381967676397 ~1982
33838198730253039
33838932165691539 ~1986
338390367678077 ~1982
33839511421259439 ~1985
33839591353583619 ~1985
3384049744490798 ~1985
3384179270734338 ~1983
338419167683837 ~1982
3384203812208738 ~1985
3384481203068878 ~1983
3384593203075598 ~1983
3384617473846398 ~1984
33846291827699679 ~1985
338474367694877 ~1982
338477967695597 ~1982
3385099338509918 ~1984
Exp. Prime Factor Digits Year
3385111609319998 ~1984
338513967702797 ~1982
3385181270814498 ~1983
338522367704477 ~1982
3385339609361038 ~1984
33854411625011699 ~1985
33855111083363539 ~1985
338555967711197 ~1982
3385573541691698 ~1984
3385589402885091110 ~1989
3385661203139678 ~1983
3385793203147598 ~1983
3385847812603298 ~1985
338585967717197 ~1982
3385891338589118 ~1984
3385961203157678 ~1983
3385973203158398 ~1983
338606367721277 ~1982
3386311541809778 ~1984
3386597203195838 ~1983
3386633203197998 ~1983
338663967732797 ~1982
338671167734237 ~1982
338689167737837 ~1982
3386947541911538 ~1984
Exp. Prime Factor Digits Year
33871574877506099 ~1987
33872891354915619 ~1985
338731167746237 ~1982
3387673203260398 ~1983
33876733252166099
3387689271015138 ~1983
33876974607267939 ~1986
338773167754637 ~1982
338780367756077 ~1982
33878631084116179 ~1985
338801967760397 ~1982
338804367760877 ~1982
3388109271048738 ~1983
338852367770477 ~1982
3388753203325198 ~1983
338879967775997 ~1982
33888375896576399 ~1987
3388997203339838 ~1983
3389017203341038 ~1983
338906367781277 ~1982
3389077542252338 ~1984
3389093474473038 ~1984
338921967784397 ~1982
338927967785597 ~1982
3389359610084638 ~1984
544
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25-09-07