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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
9615383192307678 ~1986
96153911538462579 ~1988
9615563192311278 ~1986
9615971192319438 ~1986
9616031192320638 ~1986
9616151192323038 ~1986
9616199192323998 ~1986
96166131346325839 ~1988
9616637576998238 ~1987
9616697577001838 ~1987
9616991192339838 ~1986
9617011961701118 ~1987
9617017577021038 ~1987
9617033313515275910 ~1991
9617137577028238 ~1987
9617171192343438 ~1986
9617339192346798 ~1986
9617813577068798 ~1987
9618353577101198 ~1987
9618391961839118 ~1987
9618431769474498 ~1987
9618457577107438 ~1987
9618491192369838 ~1986
9618509769480738 ~1987
96185091346591279
Exp. Prime Factor Digits Year
9618877577132638 ~1987
96189671539034739 ~1988
9619583192391678 ~1986
9619613577176798 ~1987
9619763192395278 ~1986
9619777577186638 ~1987
9620531192410638 ~1986
9620581577234878 ~1987
9620753577245198 ~1987
9620879192417598 ~1986
9620911962091118 ~1987
9621251769700098 ~1987
9621263192425278 ~1986
9621397577283838 ~1987
96214491347002879 ~1988
9621617577297038 ~1987
9621791192435838 ~1986
9621817577309038 ~1987
9621853577311198 ~1987
9622139192442798 ~1986
9622421577345278 ~1987
9622499192449998 ~1986
9622597577355838 ~1987
9622601769808098 ~1987
9623083962308318 ~1987
Exp. Prime Factor Digits Year
9623087769846978 ~1987
9623167962316718 ~1987
9623279192465598 ~1986
9623323962332318 ~1987
9623399769871938 ~1987
9623483192469678 ~1986
9623843192476878 ~1986
96242332309815939 ~1988
9624479192489598 ~1986
9624577577474638 ~1987
9624599192491998 ~1986
9624899192497998 ~1986
9625117577507038 ~1987
9625207962520718 ~1987
96254092310098179 ~1988
9625663962566318 ~1987
9625691192513838 ~1986
9626161577569678 ~1987
96263032502838799 ~1988
96265432310370339 ~1988
9626783155953884710 ~1990
9627071192541438 ~1986
9627239192544798 ~1986
9627311192546238 ~1986
9627481577648878 ~1987
Exp. Prime Factor Digits Year
96277692310664579 ~1988
96279531347913439 ~1988
9627977577678638 ~1987
9628111962811118 ~1987
9628121577687278 ~1987
9628163192563278 ~1986
9628403192568078 ~1986
9628813577728798 ~1987
9628873577732398 ~1987
9629159192583198 ~1986
9629461577767678 ~1987
9629579192591598 ~1986
9629621770369698 ~1987
9629639770371138 ~1987
9630161577809678 ~1987
9630311770424898 ~1987
9630371192607438 ~1986
9630431192608638 ~1986
9631019192620398 ~1986
9631091192621838 ~1986
9631439192628798 ~1986
96316812118969839 ~1988
9631697693482184110 ~1992
9631703192634078 ~1986
9631883192637678 ~1986
1021
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25-11-02