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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.
Exponent Prime Factor Digits Year
129814031298140319 ~1988
12981539259630798 ~1987
12982031259640638 ~1987
12982037778922238 ~1988
12982331259646638 ~1987
12982477778948638 ~1988
129829993115919779 ~1989
12983759259675198 ~1987
12984563259691278 ~1987
129845993116303779 ~1989
129851231298512319 ~1988
12985139259702798 ~1987
12985163259703278 ~1987
12985319259706398 ~1987
12985381779122878 ~1988
12985799259715998 ~1987
12986399259727998 ~1987
12986579259731598 ~1987
12986951259739038 ~1987
12987059259741198 ~1987
12987599259751998 ~1987
129880072337841279 ~1989
12988273779296398 ~1988
129887571818425999 ~1989
12988883259777678 ~1987
Exponent Prime Factor Digits Year
12988931259778638 ~1987
129890232078243699 ~1989
12989111259782238 ~1987
12989321779359278 ~1988
12989881779392878 ~1988
129901512078424179 ~1989
12990179259803598 ~1987
12990311103922488110 ~1990
12990899259817998 ~1987
129909792338376239 ~1989
12991103259822078 ~1987
129914271039314179 ~1988
12991571259831438 ~1987
12991679259833598 ~1987
12991703259834078 ~1987
12991931259838638 ~1987
129920033377920799 ~1989
12992123259842478 ~1987
12992543259850878 ~1987
12992797779567838 ~1988
12993059259861198 ~1987
12993719259874398 ~1987
12993731259874638 ~1987
129940313378448079 ~1989
12994343259886878 ~1987
Exponent Prime Factor Digits Year
12994391259887838 ~1987
129943911039551299
12994823259896478 ~1987
129951411039611299 ~1988
12995243259904878 ~1987
12995459259909198 ~1987
12995519259910398 ~1987
12995663259913278 ~1987
12996239259924798 ~1987
12996359259927198 ~1987
12996433779785998 ~1988
129965471299654719 ~1988
129968034158976979 ~1989
12997151259943038 ~1987
129971517278404579
129972891039783139 ~1988
129974832079597299 ~1989
12997801779868078 ~1988
129984171039873379 ~1988
129984591039876739 ~1988
12998819259976398 ~1987
12999953267799031910 ~1991
13000139260002798 ~1987
130011291040090339 ~1988
13001161780069678 ~1988
Exponent Prime Factor Digits Year
13001459260029198 ~1987
13002131260042638 ~1987
13002181780130878 ~1988
13002239260044798 ~1987
13002257780135438 ~1988
13002551260051038 ~1987
13002971260059438 ~1987
130030093120722179 ~1989
13003301780198078 ~1988
13003559260071198 ~1987
130035591040284739
13003883260077678 ~1987
13004363260087278 ~1987
13004653780279198 ~1988
13004833780289998 ~1988
13004891260097838 ~1987
130050111040400899 ~1988
13005233780313998 ~1988
13005563260111278 ~1987
13005911260118238 ~1987
130059311300593119 ~1988
13006271260125438 ~1987
130062891820880479 ~1989
130065013901950319 ~1989
13006793780407598 ~1988
1155
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25-05-04