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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
31632071632641438 ~1990
31632917303676003310 ~1994
31633571632671438 ~1990
31633799632675998 ~1990
31633859632677198 ~1990
31634423632688478 ~1990
316355811898134879 ~1991
31635599632711998 ~1990
31635671632713438 ~1990
31636211632724238 ~1990
316365472530923779 ~1991
31636823632736478 ~1990
316374915694748399 ~1992
31637807151861473710 ~1993
31637951632759038 ~1990
316380292531042339 ~1991
31638611632772238 ~1990
31638851632777038 ~1990
31639763632795278 ~1990
316399993163999919 ~1991
316400235062403699 ~1992
31640039632800798 ~1990
316411331898467999 ~1991
31642823632856478 ~1990
31644059632881198 ~1990
Exponent Prime Factor Digits Year
31644311632886238 ~1990
31644419632888398 ~1990
31644493126577972110 ~1993
31644659632893198 ~1990
31644779632895598 ~1990
31645511632910238 ~1990
31646291632925838 ~1990
31646399632927998 ~1990
31646831632936638 ~1990
316468318228176079
31647299632945998 ~1990
316473894430634479 ~1992
31647851632957038 ~1990
316478571898871439 ~1991
31647923632958478 ~1990
31648511632970238 ~1990
31648583632971678 ~1990
31648871632977438 ~1990
31650071633001438 ~1990
31650191633003838 ~1990
316509011899054079 ~1991
31651079633021598 ~1990
31651211633024238 ~1990
316523992532191939 ~1991
316531192532249539 ~1991
Exponent Prime Factor Digits Year
31653179633063598 ~1990
31654319633086398 ~1990
316561873165618719 ~1991
31656563633131278 ~1990
31657919633158398 ~1990
31659119633182398 ~1990
31659203633184078 ~1990
316596472532771779 ~1991
31659791633195838 ~1990
316620731899724399 ~1991
316621811899730879 ~1991
31664603633292078 ~1990
31664879633297598 ~1990
31665059633301198 ~1990
31665743633314878 ~1990
31665863633317278 ~1990
316660033166600319 ~1991
316666971900001839 ~1991
31667963633359278 ~1990
31668011633360238 ~1990
316681571900089439 ~1991
31668443633368878 ~1990
31668743633374878 ~1990
31669103633382078 ~1990
31669139633382798 ~1990
Exponent Prime Factor Digits Year
31669499633389998 ~1990
316701472533611779 ~1991
316707412533659299 ~1991
31671551158357755110 ~1993
31673483633469678 ~1990
31673951633479038 ~1990
31674217278733109710 ~1994
31674683633493678 ~1990
316752294434532079 ~1992
31675379633507598 ~1990
31675499633509998 ~1990
31675643633512878 ~1990
31676399633527998 ~1990
31677203633544078 ~1990
31677263633545278 ~1990
316773777602570499 ~1992
316779171900675039 ~1991
316780513167805119 ~1991
316781334434938639 ~1992
31679699633593998 ~1990
316817331900903999 ~1991
316819633168196319 ~1991
31682663633653278 ~1990
316830611900983679 ~1991
31683191633663838 ~1990
1685
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24-10-27