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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.
Exp. Prime Factor Digits Year
3203111256248898 ~1983
320333964066797 ~1982
3203341512534578 ~1984
3203407320340718 ~1984
320341164068237 ~1982
3203413768819138 ~1984
3203461192207678 ~1983
3203461704761438
320363964072797 ~1982
3203653768876738 ~1984
3203657448511998 ~1984
3203729768894978 ~1984
320401164080237 ~1982
3204127320412718 ~1984
320420364084077 ~1982
32042091025346899 ~1985
320425164085037 ~1982
3204283320428318 ~1984
3204373192262398 ~1983
3204373769049538
320441964088397 ~1982
3204463320446318 ~1984
3204493769078338 ~1984
320461164092237 ~1982
3204739769137378 ~1984
Exp. Prime Factor Digits Year
3204871320487118 ~1984
3204917448688398 ~1984
3205217448730398 ~1984
32052191282087619 ~1985
3205589256447138 ~1983
3205903769416738 ~1984
3205907769417698 ~1984
3206171577110798 ~1984
3206249256499938 ~1983
3206267833629438 ~1985
3206297192377838 ~1983
3206417256513378 ~1983
3206633448928638 ~1984
3206653513064498 ~1984
3206653705463678
3206773705490078 ~1984
3206887320688718 ~1984
320689164137837 ~1982
32069094810363519 ~1986
3207173192430398 ~1983
320725164145037 ~1982
3207361192441678 ~1983
3207397192443838 ~1983
3207433513189298 ~1984
3207473192448398 ~1983
Exp. Prime Factor Digits Year
3207791834025678 ~1985
3207791608197173710
3207847320784718 ~1984
3207901705738238 ~1984
32079911283196419 ~1985
3208021192481278 ~1983
320804364160877 ~1982
320815164163037 ~1982
32081931026621779 ~1985
320837964167597 ~1982
3208399320839918 ~1984
320845164169037 ~1982
3208559577540638 ~1984
3208573192514398 ~1983
3208679256694338 ~1983
32087212310279139 ~1986
3208787256702978 ~1983
320881164176237 ~1982
3208811577585998
3208873770129538 ~1984
320888364177677 ~1982
3209281513484978 ~1984
3209317192559038 ~1983
3209321192559278 ~1983
320954364190877 ~1982
Exp. Prime Factor Digits Year
3209561256764898 ~1983
3209561962868318
3209641513542578 ~1984
3209741256779298 ~1983
3209761706147438 ~1984
3209837449377198 ~1984
32098912311121539 ~1986
3209933192595998 ~1983
320993964198797 ~1982
3209953192597198 ~1983
3210073770417538 ~1984
32101214558371839 ~1986
3210199321019918 ~1984
3210287256822978 ~1983
321047964209597 ~1982
3210607321060718 ~1984
3210827577948878 ~1984
3210953770628738 ~1984
3211213192672798 ~1983
321131964226397 ~1982
321145164229037 ~1982
321158364231677 ~1982
321175164235037 ~1982
321181164236237 ~1982
32119191027814099 ~1985
542
GIMPS The Prime Pages FactorDb.com
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26-07-05