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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
84281691179943679 ~1987
8428289674263138 ~1987
84283072022793699 ~1988
8428333505699998 ~1986
84284871517127679 ~1987
8428601505716078 ~1986
8428631168572638 ~1985
8428633505717998 ~1986
8429243168584878 ~1985
8429257505755438 ~1986
8429341505760478 ~1986
8429423168588478 ~1985
8429767842976718 ~1987
8430263168605278 ~1985
8430377505822638 ~1986
8430377674430178
8430473505828398 ~1986
8430479168609598 ~1985
8430731168614638 ~1985
8431487674518978 ~1987
8431637505898238 ~1986
8431751168635038 ~1985
8431799168635998 ~1985
8431931168638638 ~1985
8432197505931838 ~1986
Exp. Prime Factor Digits Year
8432309674584738 ~1987
8432321505939278 ~1986
8432471168649438 ~1985
8432537674602978 ~1987
8432581505954878 ~1986
8432647843264718 ~1987
8432849674627938 ~1987
8433211843321118 ~1987
8433263168665278 ~1985
8433779168675598 ~1985
8433779674702338
84339131349426099 ~1987
8433959168679198 ~1985
8434379168687598 ~1985
8434763168695278 ~1985
8434799168695998 ~1985
8434823168696478 ~1985
8434957506097438 ~1986
8435081674806498 ~1987
8435237506114238 ~1986
8435261674820898 ~1987
8435579168711598 ~1985
84355792024538979
8435711168714238 ~1985
8435743843574318 ~1987
Exp. Prime Factor Digits Year
8435831168716638 ~1985
8435939168718798 ~1985
8436023168720478 ~1985
8436353506181198 ~1986
8436499843649918 ~1987
8436671168733438 ~1985
84366716074403139
8437181674974498 ~1987
8437211168744238 ~1985
8437433506245998 ~1986
8437733506263998 ~1986
8437861506271678 ~1986
8437931168758638 ~1985
8438141506288478 ~1986
8438351168767038 ~1985
8438377506302638 ~1986
8438399168767998 ~1985
8438407843840718 ~1987
8438459168769198 ~1985
8438483168769678 ~1985
8438761506325678 ~1986
8439251168785038 ~1985
8439443168788878 ~1985
8439479168789598 ~1985
8439503168790078 ~1985
Exp. Prime Factor Digits Year
8439581506374878 ~1986
8439601506376078 ~1986
8440193506411598 ~1986
8440343168806878 ~1985
8440391168807838 ~1985
8440511168810238 ~1985
8440979168819598 ~1985
8441057675284578 ~1987
84410874220543519 ~1988
8441423168828478 ~1985
8441539844153918 ~1987
8441737506504238 ~1986
8441831168836638 ~1985
8442029675362338 ~1987
8442271844227118 ~1987
8442359675388738 ~1987
8442437675394978 ~1987
84427676754213619 ~1989
8442779168855598 ~1985
8442781506566878 ~1986
8443079168861598 ~1985
8443117506587038 ~1986
8443199675455938 ~1987
8443361506601678 ~1986
8443453506607198 ~1986
923
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25-05-04