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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
31643471632869438 ~1990
31644059632881198 ~1990
316441035063056499 ~1992
31644311632886238 ~1990
31644419632888398 ~1990
31644493126577972110 ~1993
31644659632893198 ~1990
31644779632895598 ~1990
31645259632905198 ~1990
31645403632908078 ~1990
31645511632910238 ~1990
31646099632921998 ~1990
31646123632922478 ~1990
31646291632925838 ~1990
31646399632927998 ~1990
31646603632932078 ~1990
31646831632936638 ~1990
316468318228176079
31647023632940478 ~1990
31647299632945998 ~1990
31647347158236735110 ~1993
316473894430634479 ~1992
31647851632957038 ~1990
316478571898871439 ~1991
31647923632958478 ~1990
Exponent Prime Factor Digits Year
31648511632970238 ~1990
31648583632971678 ~1990
31648871632977438 ~1990
31649951632999038 ~1990
31650071633001438 ~1990
31650119633002398 ~1990
31650191633003838 ~1990
31650539633010798 ~1990
316509011899054079 ~1991
31651079633021598 ~1990
31651211633024238 ~1990
31651751633035038 ~1990
31652303633046078 ~1990
316523992532191939 ~1991
31653119633062398 ~1990
316531192532249539
31653179633063598 ~1990
31653431633068638 ~1990
31653731633074638 ~1990
31654319633086398 ~1990
31655579633111598 ~1990
316561873165618719 ~1991
31656203633124078 ~1990
31656563633131278 ~1990
31657511633150238 ~1990
Exponent Prime Factor Digits Year
31657919633158398 ~1990
31657991633159838 ~1990
31658831633176638 ~1990
31659119633182398 ~1990
31659203633184078 ~1990
316596472532771779 ~1991
31659731633194638 ~1990
31659791633195838 ~1990
31661579633231598 ~1990
31661711633234238 ~1990
316620731899724399 ~1991
316621811899730879 ~1991
31664603633292078 ~1990
31664879633297598 ~1990
31665059633301198 ~1990
31665743633314878 ~1990
31665863633317278 ~1990
316660033166600319 ~1991
31666139633322798 ~1990
316666971900001839 ~1991
31667939633358798 ~1990
31667963633359278 ~1990
31668011633360238 ~1990
316681571900089439 ~1991
31668443633368878 ~1990
Exponent Prime Factor Digits Year
31668743633374878 ~1990
31668863633377278 ~1990
31669103633382078 ~1990
31669139633382798 ~1990
31669499633389998 ~1990
316701472533611779 ~1991
316707412533659299 ~1991
31671551158357755110 ~1993
31672523633450478 ~1990
31672631633452638 ~1990
31672871633457438 ~1990
31673051633461038 ~1990
31673483633469678 ~1990
31673951633479038 ~1990
31673963633479278 ~1990
31674011633480238 ~1990
31674217278733109710 ~1994
31674329101357852910 ~1993
31674683633493678 ~1990
31674983633499678 ~1990
316752294434532079 ~1992
31675379633507598 ~1990
31675499633509998 ~1990
31675643633512878 ~1990
31676399633527998 ~1990
1853
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26-01-11