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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
83074699968962819 ~1989
8307571830757118 ~1987
83077871329245939 ~1987
8307863166157278 ~1985
8307983166159678 ~1985
8308103166162078 ~1985
8308271166165438 ~1985
83084092492522719 ~1988
83084831329357299 ~1987
83084931163189039 ~1987
8308537498512238 ~1986
8308541664683298 ~1987
8308571664685698 ~1987
8308931166178638 ~1985
8309401498564078 ~1986
8309579166191598 ~1985
83095911495726399 ~1987
83098031329568499 ~1987
8310173498610398 ~1986
8310299166205998 ~1985
8310527664842178 ~1987
8310629664850338 ~1987
8310713498642798 ~1986
8311231831123118 ~1987
8311481498688878 ~1986
Exp. Prime Factor Digits Year
8311571166231438 ~1985
8311697664935778 ~1987
8311739664939138 ~1987
8311811166236238 ~1985
8312257498735438 ~1986
8312267664981378 ~1987
8312321664985698 ~1987
8312411166248238 ~1985
83124834156241519 ~1988
8312651665012098 ~1987
8312663166253278 ~1985
83129772493893119 ~1988
8313199831319918 ~1987
8313251166265038 ~1985
83133532660272979 ~1988
8313359166267198 ~1985
8313671665093698 ~1987
8313791665103298 ~1987
8313803166276078 ~1985
8313953498837198 ~1986
8314199166283998 ~1985
8314363831436318 ~1987
8314643166292878 ~1985
8314679665174338 ~1987
83146811829229839 ~1988
Exp. Prime Factor Digits Year
8315231166304638 ~1985
83154671496784079 ~1987
8315999166319998 ~1985
8316089665287138 ~1987
8316181498970878 ~1986
8316353498981198 ~1986
8316457498987438 ~1986
8316479665318338 ~1987
8316491665319298 ~1987
8316577498994638 ~1986
8316611166332238 ~1985
8316989665359138 ~1987
8317223166344478 ~1985
8317367665389378 ~1987
8317433499045998 ~1986
83174573160633679 ~1988
8317781499066878 ~1986
8318027119779588910 ~1990
8318069665445538 ~1987
83181973327278819 ~1988
8318231166364638 ~1985
8318279166365598 ~1985
8318291166365838 ~1985
8318417499105038 ~1986
8318477499108638 ~1986
Exp. Prime Factor Digits Year
8318537499112238 ~1986
8318591166371838 ~1985
8318657499119438 ~1986
83186576654925619
8318759166375198 ~1985
8319037499142238 ~1986
8319221665537698 ~1987
8319257665540578 ~1987
8319263166385278 ~1985
83194193993321139 ~1988
8319581499174878 ~1986
8319677665574178 ~1987
8319803166396078 ~1985
83199371996784899 ~1988
83199431331190899 ~1987
8320097665607778 ~1987
83201591497628639 ~1987
8320379166407598 ~1985
8320619166412398 ~1985
8321003166420078 ~1985
8321171166423438 ~1985
8321213499272798 ~1986
8321309665704738 ~1987
8321429665714338 ~1987
8321543166430878 ~1985
961
GIMPS The Prime Pages FactorDb.com
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26-05-03