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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
9217031737362498 ~1987
92170971290393599 ~1987
9217141553028478 ~1987
9217277553036638 ~1987
9217343184346878 ~1985
9217381553042878 ~1987
9217739184354798 ~1985
9217811184356238 ~1985
9217837553070238 ~1987
9217979184359598 ~1985
9217981553078878 ~1987
9218123184362478 ~1985
9218197553091838 ~1987
9218453553107198 ~1987
9218459184369198 ~1985
9218969737517538 ~1987
9219011184380238 ~1985
9219053553143198 ~1987
9219131184382638 ~1985
9219659184393198 ~1985
9219659737572738
9219677737574178 ~1987
9219779184395598 ~1985
9219923184398478 ~1985
9220019184400398 ~1985
Exp. Prime Factor Digits Year
9220163184403278 ~1985
9220181553210878 ~1987
9220331184406638 ~1985
9220459922045918 ~1987
9220559184411198 ~1985
9220583184411678 ~1985
9220621553237278 ~1987
9220721553243278 ~1987
9221657553299438 ~1987
9221711184434238 ~1985
9221747737739778 ~1987
9221753553305198 ~1987
9221867737749378 ~1987
9221879737750338 ~1987
9221921553315278 ~1987
9221921737753698
9222179184443598 ~1985
9222443184448878 ~1985
92225892213421379 ~1988
9222659184453198 ~1985
9222671737813698 ~1987
9223321553399278 ~1987
9223387922338718 ~1987
9223573553414398 ~1987
92235971475775539 ~1988
Exp. Prime Factor Digits Year
9223649737891938 ~1987
9223751184475038 ~1985
9224323922432318 ~1987
9224399184487998 ~1985
92248371291477199 ~1987
9224927737994178 ~1987
92249832213995939 ~1988
9225179184503598 ~1985
9225221553513278 ~1987
9225539184510798 ~1985
9225719184514398 ~1985
92259471660670479 ~1988
9226391184527838 ~1985
9226439184528798 ~1985
92267532214420739 ~1988
92272217197232399 ~1989
9227297738183778 ~1987
9227321553639278 ~1987
9227357553641438 ~1987
9227579184551598 ~1985
9227579738206338
9227627738210178 ~1987
92277418858631379 ~1990
92278492952911699 ~1988
9227879738230338 ~1987
Exp. Prime Factor Digits Year
92282032214768739 ~1988
9228311184566238 ~1985
9228419738273538 ~1987
9228599184571998 ~1985
92286891292016479 ~1987
9229439184588798 ~1985
9229523184590478 ~1985
9229673553780398 ~1987
9229699922969918 ~1987
9229721738377698 ~1987
9230183184603678 ~1985
92303172769095119 ~1988
9230357553821438 ~1987
9230369738429538 ~1987
9230437553826238 ~1987
9230579738446338 ~1987
9230737553844238 ~1987
9230911923091118 ~1987
9230999184619998 ~1985
9232259184645198 ~1985
9232631184652638 ~1985
92327115354972399 ~1989
92331237386498419 ~1989
9233201738656098 ~1987
9233219184664398 ~1985
1008
GIMPS The Prime Pages FactorDb.com
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26-01-11