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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
19428011388560238 ~1988
19428179388563598 ~1988
19428371388567438 ~1988
19428443388568878 ~1988
19428551388571038 ~1988
19428743388574878 ~1988
19428791388575838 ~1988
194287911554303299
194290131165740799 ~1989
19429499388589998 ~1988
194297279326268979 ~1991
194300171165801039 ~1989
19430123388602478 ~1988
19430399388607998 ~1988
19430591388611838 ~1988
19430639388612798 ~1988
19430903388618078 ~1988
19431011388620238 ~1988
194312871554502979 ~1989
194324511554596099 ~1989
19432463388649278 ~1988
194330211165981279 ~1989
19433279388665598 ~1988
194334611166007679 ~1989
194338371166030239 ~1989
Exponent Prime Factor Digits Year
194339894664157379 ~1991
19434251388685038 ~1988
194342691554741539 ~1989
194345571166073439 ~1989
19434599388691998 ~1988
19434851388697038 ~1988
194352611166115679 ~1989
19435571388711438 ~1988
19435991388719838 ~1988
194360593498490639 ~1990
19436099388721998 ~1988
194367131166202799 ~1989
194369391554955139 ~1989
194369718163527839 ~1991
19436999388739998 ~1988
194370378941037039 ~1991
194381897775275619 ~1991
194384831943848319 ~1990
194385411166312479 ~1989
194387171166323039 ~1989
19438943388778878 ~1988
19439159388783198 ~1988
19439363388787278 ~1988
19439723388794478 ~1988
194405831944058319 ~1990
Exponent Prime Factor Digits Year
19440731388814638 ~1988
194408511555268099 ~1989
19440959388819198 ~1988
19441343388826878 ~1988
19441679388833598 ~1988
19442123388842478 ~1988
19442603388852078 ~1988
19443071388861438 ~1988
194431633110906099 ~1990
19443551388871038 ~1988
19443779388875598 ~1988
194437931166627599 ~1989
194438572722139999 ~1990
19443899388877998 ~1988
19444259388885198 ~1988
19444301151665547910 ~1992
19444811388896238 ~1988
19444871388897438 ~1988
19445171388903438 ~1988
194454791944547919 ~1990
19445903388918078 ~1988
19446131388922638 ~1988
194462571166775439 ~1989
19446299388925998 ~1988
19446611388932238 ~1988
Exponent Prime Factor Digits Year
19446659388933198 ~1988
194466771555734179 ~1989
194468571555748579 ~1989
194468598167680799 ~1991
19447283388945678 ~1988
19448339388966798 ~1988
19448519388970398 ~1988
194490431944904319 ~1990
19449151595144020710 ~1993
19449203388984078 ~1988
19449239388984798 ~1988
194502796613094879 ~1991
19450451389009038 ~1988
19450811389016238 ~1988
19451903389038078 ~1988
194520011167120079 ~1989
19452203389044078 ~1988
194523371167140239 ~1989
19452623389052478 ~1988
19453019389060398 ~1988
19453211389064238 ~1988
19453223389064478 ~1988
194539011167234079 ~1989
194539211431808585711 ~1994
19453979389079598 ~1988
1427
GIMPS The Prime Pages FactorDb.com
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25-08-20