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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
1685317101119038 ~1981
1685429640463038 ~1983
168545933709197 ~1980
1685477101128638 ~1981
168548333709677 ~1980
1685543438241198 ~1982
1685549235976878 ~1982
168559133711837 ~1980
168575933715197 ~1980
16858371449819839 ~1984
1685917910395198 ~1983
1685933404623938 ~1982
16859531584795839 ~1984
16861091079109779 ~1983
168620333724077 ~1980
1686257101175438 ~1981
1686287134902978 ~1981
16864032293508099 ~1984
1686473101188398 ~1981
168649133729837 ~1980
168655133731037 ~1980
1686647134931778 ~1981
1686677404802498 ~1982
1686857101211438 ~1981
1686913101214798 ~1981
Exp. Prime Factor Digits Year
168758333751677 ~1980
1687627168762718 ~1981
1687627270020338
1687633101257998 ~1981
168764333752877 ~1980
1687657405037698 ~1982
168773933754797 ~1980
1687759168775918 ~1981
1687783168778318 ~1981
168779933755997 ~1980
168785933757197 ~1980
16878591350287219
1688047168804718 ~1981
16881531046654879 ~1983
168823133764637 ~1980
168824333764877 ~1980
16882611316843599 ~1984
168827933765597 ~1980
1688311709090638 ~1983
1688327135066178 ~1981
168841133768237 ~1980
1688411303913998
168847133769437 ~1980
1688497270159538 ~1982
1688509371471998 ~1982
Exp. Prime Factor Digits Year
1688623574131838 ~1983
168865133773037 ~1980
1688837135106978 ~1981
168890333778077 ~1980
1688927439121038 ~1982
168926333785277 ~1980
1689277777067438 ~1983
1689533101371998 ~1981
1689607168960718 ~1981
1689707135176578 ~1981
1689829675931618 ~1983
168992333798477 ~1980
1690097101405838 ~1981
1690097236613598
1690099169009918 ~1981
169010333802077 ~1980
1690121101407278 ~1981
1690219405652578 ~1982
1690267169026718 ~1981
16903199871462979 ~1986
1690387169038718 ~1981
1690387676154818
1690427304276878 ~1982
1690483270477298 ~1982
1690537101432238 ~1981
Exp. Prime Factor Digits Year
169057133811437 ~1980
1690603574805038 ~1983
1690691135255298 ~1981
1690691304324398
1690693101441598 ~1981
169073933814797 ~1980
1690847405803298 ~1982
169088333817677 ~1980
1690901101454078 ~1981
169105133821037 ~1980
169109933821997 ~1980
1691113372044878 ~1982
1691219405892578 ~1982
1691237135298978 ~1981
169130333826077 ~1980
1691401101484078 ~1981
1691647405995298 ~1982
1691681135334498 ~1981
169175933835197 ~1980
169177133835437 ~1980
1691861135348898 ~1981
1691933507579918 ~1982
169193933838797 ~1980
1691939304549038
16920491489003139 ~1984
345
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25-06-29