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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
151621790973037 ~1980
1516231151623118 ~1981
1516231272921598
1516337363920898 ~1982
1516369454910718 ~1982
151642190985277 ~1980
1516421121313698
151649930329997 ~1979
151658330331677 ~1979
1516639515657278 ~1982
1516657242665138 ~1981
1516657697662238
1516681242668978 ~1981
1516829212356078 ~1981
1517141121371298 ~1981
1517317242770738 ~1981
151733930346797 ~1979
1517413242786098 ~1981
151753130350637 ~1979
151759130351837 ~1979
1517689333891598 ~1982
1517753364260738 ~1982
1517819485702098 ~1982
1517869728577138 ~1983
151794191076477 ~1980
Exp. Prime Factor Digits Year
15180077802555999 ~1985
1518061242889778 ~1981
1518071394698478 ~1982
1518137212539198 ~1981
1518149485807698 ~1982
1518277819869598 ~1983
1518581121486498 ~1981
151862330372477 ~1979
1518749121499938 ~1981
1518773364505538 ~1982
1518827121506178 ~1981
1518827273388878
1519039516473278 ~1982
151920191152077 ~1980
151927791156637 ~1980
1519277121542178
151949930389997 ~1979
1519499121559938
1519619273531438 ~1982
151963130392637 ~1979
1519631121570498
1519667121573378 ~1981
15199014134130739 ~1984
1519951273591198 ~1982
1520083516828238 ~1982
Exp. Prime Factor Digits Year
1520173456051918 ~1982
1520347973022098 ~1983
152048330409677 ~1979
15205791094816899 ~1983
152063930412797 ~1979
1520693212897038 ~1981
1520759121660738 ~1981
1520777456233118 ~1982
1520947243351538 ~1981
152101130420237 ~1979
1521067243370738 ~1981
1521241243398578 ~1981
152147930429597 ~1979
1521491852034978 ~1983
1521563395606398 ~1982
15215894016994979 ~1984
152162330432477 ~1979
152167791300637 ~1980
15218532191468339 ~1984
1522019639247998 ~1982
1522063152206318 ~1981
1522187273993678 ~1982
152233130446637 ~1979
1522387243581938 ~1981
1522483365395938 ~1982
Exp. Prime Factor Digits Year
1522541487213138 ~1982
15227271827272419 ~1984
15227711096395139 ~1983
152279930455997 ~1979
152284191370477 ~1980
15230992558806339 ~1984
152310191386077 ~1980
152316191389677 ~1980
152329791397837 ~1980
152339391403597 ~1980
1523407152340718 ~1981
1523581335187838 ~1982
152365391419197 ~1980
1523653335203678
152366330473277 ~1979
152370191422077 ~1980
152378330475677 ~1979
1523783487610578
1523917701001838 ~1983
152398191438877 ~1980
152402330480477 ~1979
1524059121924738 ~1981
152417930483597 ~1979
15242411188907999 ~1983
1524247243879538 ~1981
320
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25-04-13