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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
138655783193437 ~1980
1386587915147438 ~1983
138661127732237 ~1979
1386611110928898
1386617110929378 ~1980
13866171858066799
1386643138664318 ~1981
138665927733197 ~1979
1386691138669118 ~1981
1386731249611598 ~1981
1386731665630898
1386787138678718 ~1981
138683927736797 ~1979
1386977665748978 ~1982
1387123582591678 ~1982
138716327743277 ~1979
1387207887812498 ~1983
138727127745437 ~1979
1387327221972338 ~1981
1387357554942818 ~1982
1387367110989378 ~1980
1387499110999938 ~1980
1387517666008178 ~1982
13878471582145599 ~1983
138817127763437 ~1979
Exp. Prime Factor Digits Year
1388183360927598 ~1982
1388297111063778 ~1980
138836327767277 ~1979
1388479138847918 ~1981
1388789111103138 ~1980
138887383332397 ~1980
1388887249999678 ~1981
1388927111114178 ~1980
1388969111117538 ~1980
1389001666720498 ~1982
1389173194484238 ~1981
138919127783837 ~1979
1389329111146338 ~1980
1389371111149698 ~1980
138943127788637 ~1979
1389473194526238 ~1981
1389491666955698 ~1982
138962327792477 ~1979
13896732640378719 ~1984
1389677111174178 ~1980
1389797111183778 ~1980
138983383389997 ~1980
138985127797037 ~1979
139001927800397 ~1979
13900191584621679
Exp. Prime Factor Digits Year
1390027250204878 ~1981
13901773336424819 ~1984
139019927803997 ~1979
1390219472674478 ~1982
1390471667426098 ~1982
1390483139048318 ~1981
139069383441597 ~1980
1390729333774978 ~1982
13908131307364239 ~1983
1390913751093038 ~1982
1390967111277378 ~1980
1390969417290718 ~1982
139097927819597 ~1979
13910231585766239 ~1983
1391239333897378 ~1982
139136327827277 ~1979
139139383483597 ~1980
1391549111323938 ~1980
1391561111324898 ~1980
13915672337832579 ~1984
1391587250485678 ~1981
13920078602603279 ~1985
1392233334135938 ~1982
1392269529062238 ~1982
139232327846477 ~1979
Exp. Prime Factor Digits Year
1392323445543378
1392353417705918 ~1982
1392497417749118 ~1982
139255783553437 ~1980
1392619250671438 ~1981
1392701111416098 ~1980
139273127854637 ~1979
139285127857037 ~1979
1392983445754578 ~1982
1392983585052878
1393079111446338 ~1980
1393079250754238
1393079445785298
1393123334349538 ~1982
1393159668716338 ~1982
1393283696641518 ~1982
1393333334399938 ~1982
1393367111469378 ~1980
13935231114818419 ~1983
139355927871197 ~1979
1393697195117598 ~1981
139373927874797 ~1979
139375127875037 ~1979
139381783629037 ~1980
139388327877677 ~1979
304
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25-06-29