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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
6872171137443438 ~1984
68722514535685679 ~1988
6872291137445838 ~1984
6872617412357038 ~1986
6873011137460238 ~1984
6873109126465205710 ~1989
6873131137462638 ~1984
6873137549850978 ~1986
6873143137462878 ~1984
6873653412419198 ~1986
6873719137474398 ~1984
6874061549924898 ~1986
6874207687420718 ~1986
6874223137484478 ~1984
68742431649818339 ~1987
6874331137486638 ~1984
6874379137487598 ~1984
6874607549968578 ~1986
6874799137495998 ~1984
6874871549989698 ~1986
68750231650005539 ~1987
6875047687504718 ~1986
6875299687529918 ~1986
6875591137511838 ~1984
6875621550049698 ~1986
Exp. Prime Factor Digits Year
6875717412543038 ~1986
6875717532180495910
6876251137525038 ~1984
6876377412582638 ~1986
6876433412585998 ~1986
6876599137531998 ~1984
68766591237798639 ~1987
6876731137534638 ~1984
6877043137540878 ~1984
6877051687705118 ~1986
6877271550181698 ~1986
68773994401535379 ~1988
6877679137553598 ~1984
6877817412669038 ~1986
6878071687807118 ~1986
6878099137561998 ~1984
6878141550251298 ~1986
6878369990485136110 ~1991
6878519137570398 ~1984
6878731687873118 ~1986
6878831137576638 ~1984
68788437841881039 ~1989
6878917412735038 ~1986
6878951550316098 ~1986
6878981550318498 ~1986
Exp. Prime Factor Digits Year
6879683137593678 ~1984
6879823687982318 ~1986
6879839137596798 ~1984
6879997412799838 ~1986
6880061412803678 ~1986
68801271238422879 ~1987
6880241550419298 ~1986
6880319137606398 ~1984
6880589550447138 ~1986
6881351137627038 ~1984
68813831651531939 ~1987
6881429550514338 ~1986
6881579137631598 ~1984
6882131137642638 ~1984
6882311137646238 ~1984
68824571651789699 ~1987
6882761550620898 ~1986
6882779137655598 ~1984
6882779550622338
6883007550640578 ~1986
6883307550664578 ~1986
6883337413000238 ~1986
6883391137667838 ~1984
6883403137668078 ~1984
6883561413013678 ~1986
Exp. Prime Factor Digits Year
6883763137675278 ~1984
6884431688443118 ~1986
6884459137689198 ~1984
6884599688459918 ~1986
6884617413077038 ~1986
6884777550782178 ~1986
6884939137698798 ~1984
6884939550795138
6885143137702878 ~1984
6885167550813378 ~1986
6885251137705038 ~1984
6885377413122638 ~1986
6885479137709598 ~1984
6885631688563118 ~1986
6885691998425195110 ~1991
6885779137715598 ~1984
6885917413155038 ~1986
6886091137721838 ~1984
6886091550887298
68861413167624879 ~1988
6886213413172798 ~1986
6886301413178078 ~1986
68863314544978479 ~1988
6886441413186478 ~1986
6886469198330307310 ~1990
821
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25-05-04