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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
12970151259403038 ~1987
12970211259404238 ~1987
12970577778234638 ~1988
129706914150621139 ~1989
12970823259416478 ~1987
12970933778255998 ~1988
12970981778258878 ~1988
12971111259422238 ~1987
12971351259427038 ~1987
12971411259428238 ~1987
12972577778354638 ~1988
12972803259456078 ~1987
12972959259459198 ~1987
12973211259464238 ~1987
12973223259464478 ~1987
12973463259469278 ~1987
129735771037886179 ~1988
12973871259477438 ~1987
129739311037914499 ~1988
129743415968196879 ~1990
12974711259494238 ~1987
12974831259496638 ~1987
129748391297483919 ~1988
12975113778506798 ~1988
12975491259509838 ~1987
Exponent Prime Factor Digits Year
12975533778531998 ~1988
12975563259511278 ~1987
12975649101210062310 ~1990
12975797778547838 ~1988
12975953778557198 ~1988
129765112335771999 ~1989
12976793778607598 ~1988
12976877778612638 ~1988
12977233778633998 ~1988
12977411259548238 ~1987
129774113374126879
12977831259556638 ~1987
129779271038234179 ~1988
12977999259559998 ~1987
129783735191349219 ~1990
12978401778704078 ~1988
12978431259568638 ~1987
12978659259573198 ~1987
12978683259573678 ~1987
12978851259577038 ~1987
12978853778731198 ~1988
12979453778767198 ~1988
12979601778776078 ~1988
12979643259592878 ~1987
1298011763599977276712 ~1997
Exponent Prime Factor Digits Year
129801891817226479 ~1989
12980393778823598 ~1988
12981011259620238 ~1987
12981253778875198 ~1988
129814031298140319 ~1988
12981539259630798 ~1987
12981733778903998 ~1988
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
Exponent Prime Factor Digits Year
12987599259751998 ~1987
129880072337841279 ~1989
12988273779296398 ~1988
129887571818425999 ~1989
12988883259777678 ~1987
12988931259778638 ~1987
129890232078243699 ~1989
12989111259782238 ~1987
129892871298928719 ~1988
12989321779359278 ~1988
12989881779392878 ~1988
129901512078424179 ~1989
12990179259803598 ~1987
12990311103922488110 ~1990
129906897014972079 ~1990
129907491818704879 ~1989
12990899259817998 ~1987
129909792338376239 ~1989
12991103259822078 ~1987
129914271039314179 ~1988
12991571259831438 ~1987
12991679259833598 ~1987
12991703259834078 ~1987
12991931259838638 ~1987
129920033377920799 ~1989
1183
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25-09-07