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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
28609463572189278 ~1989
28609523572190478 ~1989
28609583572191678 ~1989
28610591572211838 ~1989
286107496866579779 ~1992
286109571716657439 ~1990
286111374005559199 ~1991
28611659572233198 ~1989
28611683572233678 ~1989
28611923572238478 ~1989
28612091572241838 ~1989
286122172288977379 ~1991
28612439572248798 ~1989
28612511572250238 ~1989
28612583572251678 ~1989
28613003572260078 ~1989
28613831572276638 ~1989
28614191572283838 ~1989
28614263572285278 ~1989
28614611572292238 ~1989
28614983572299678 ~1989
28615019572300398 ~1989
286150874578413939 ~1991
286155292289242339 ~1991
28615739572314798 ~1989
Exponent Prime Factor Digits Year
28616579572331598 ~1989
28616639572332798 ~1989
28617299572345998 ~1989
28617311572346238 ~1989
28617503572350078 ~1989
28617551572351038 ~1989
28617731572354638 ~1989
286184392289475139 ~1991
28618559572371198 ~1989
28618631572372638 ~1989
28619399572387998 ~1989
28619411572388238 ~1989
28619939572398798 ~1989
28620551572411038 ~1989
28620983572419678 ~1989
28622183572443678 ~1989
286222611717335679 ~1990
28622651572453038 ~1989
28622771572455438 ~1989
28622831572456638 ~1989
286229812289838499 ~1991
28623071572461438 ~1989
28623599572471998 ~1989
28624031572480638 ~1989
286240315152325599
Exponent Prime Factor Digits Year
28624451572489038 ~1989
28624619572492398 ~1989
28624859572497198 ~1989
286249011717494079 ~1990
28625111572502238 ~1989
286253275152558879 ~1992
28625879572517598 ~1989
28625939572518798 ~1989
28625963572519278 ~1989
28626443572528878 ~1989
28626599572531998 ~1989
286266799733070879 ~1992
28626791572535838 ~1989
28626803572536078 ~1989
28627199572543998 ~1989
28627199120234235910
286276312290210499 ~1991
28627691572553838 ~1989
28628219572564398 ~1989
28628471572569438 ~1989
28628591572571838 ~1989
28629299572585998 ~1989
286293472290347779 ~1991
28630139572602798 ~1989
28630799572615998 ~1989
Exponent Prime Factor Digits Year
286309392863093919 ~1991
28631171572623438 ~1989
286312371717874239 ~1990
28631663120252984710 ~1992
28631663188968975910
28632143572642878 ~1989
28632203572644078 ~1989
28633043572660878 ~1989
28633331572666638 ~1989
28633679572673598 ~1989
28633751572675038 ~1989
28633799572675998 ~1989
28634423572688478 ~1989
28634531572690638 ~1989
286346934008857039 ~1991
28634951572699038 ~1989
286349812290798499 ~1991
28635059572701198 ~1989
28635923572718478 ~1989
286362136872691139 ~1992
28636259572725198 ~1989
28636703572734078 ~1989
286373872290990979 ~1991
28637879572757598 ~1989
286381915154874399 ~1992
1705
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25-06-29