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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
13900191584621679
1390027250204878 ~1981
13901591918419439 ~1983
13901773336424819 ~1984
139019927803997 ~1979
1390219472674478 ~1982
1390471667426098 ~1982
1390483139048318 ~1981
139069383441597 ~1980
1390729333774978 ~1982
13908131307364239 ~1983
1390891667627698 ~1982
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
Exp. Prime Factor Digits Year
1392233334135938 ~1982
1392269529062238 ~1982
139232327846477 ~1979
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
1393219668745138 ~1982
1393283696641518 ~1982
1393333334399938 ~1982
1393367111469378 ~1980
13935231114818419 ~1983
139355927871197 ~1979
1393697195117598 ~1981
Exp. Prime Factor Digits Year
139373927874797 ~1979
139375127875037 ~1979
139381783629037 ~1980
139388327877677 ~1979
1393913195147838 ~1981
1393937669089778 ~1982
1393979250916238 ~1981
1393981557592418 ~1982
1394009334562178 ~1982
1394021669130098 ~1982
13941311561426739 ~1983
1394167139416718 ~1981
13942513485627519 ~1984
1394273195198238 ~1981
1394293418287918 ~1982
139444183666477 ~1980
1394599334703778 ~1982
1394683334723938 ~1982
139469927893997 ~1979
1394711111576898 ~1980
13947372008421299 ~1984
1394747334739298 ~1982
1394831251069598 ~1981
139485783691437 ~1980
1394891111591298 ~1980
Exp. Prime Factor Digits Year
139489383693597 ~1980
139518183710877 ~1980
1395283139528318 ~1981
139532327906477 ~1979
1395367223258738 ~1981
1395413195357838 ~1981
13955531004798179 ~1983
13957431256168719 ~1983
139579127915837 ~1979
13957911116632819
1395907223345138 ~1981
139598327919677 ~1979
139601383760797 ~1980
13960691228540739 ~1983
1396103446752978 ~1982
139621127924237 ~1979
139633127926637 ~1979
1396387139638718 ~1981
1396393307206478 ~1982
1396517111721378 ~1980
1396559251380638 ~1981
1396657558662818 ~1982
139667927933597 ~1979
139669127933837 ~1979
1396711251407998 ~1981
309
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25-12-14