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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
263462352692477 ~1981
263474352694877 ~1981
263483952696797 ~1981
2634943263494318 ~1983
263501952700397 ~1981
2635057158103438 ~1982
2635057421609138
2635387421661938 ~1983
2635487210838978 ~1983
2635693579852478 ~1984
2635877158152638 ~1982
2635949210875938 ~1983
2636021843526738 ~1984
26361711107191839 ~1984
2636407421825138 ~1983
263666352733277 ~1981
2636663685532398
2636759474616638 ~1983
2636779632826978 ~1984
2636813369153838 ~1983
263683152736637 ~1981
2636831474629598
2636857791057118 ~1984
2636917632860098 ~1984
2636983263698318 ~1983
Exp. Prime Factor Digits Year
2637001158220078 ~1982
263708352741677 ~1981
2637133158227998 ~1982
2637493158249598 ~1982
263753952750797 ~1981
2637763422042098 ~1983
2637797211023778 ~1983
2637997158279838 ~1982
263819952763997 ~1981
2638271685950478 ~1984
263840352768077 ~1981
2638579263857918 ~1983
2638589369402478 ~1983
2638607633265698 ~1984
2639041422246578 ~1983
263911152782237 ~1981
2639179633402978 ~1984
2639201158352078 ~1982
263930352786077 ~1981
2639333158359998 ~1982
26394911055796419 ~1984
2639513369531838 ~1983
263963952792797 ~1981
2639639475135038
263971152794237 ~1981
Exp. Prime Factor Digits Year
2639761158385678 ~1982
2639887422381938 ~1983
263989152797837 ~1981
2639921211193698 ~1983
2639941158396478 ~1982
263999952799997 ~1981
2640013158400798 ~1982
264025152805037 ~1981
2640289580863598 ~1984
2640347475262478 ~1983
26403473168416419
2640397158423838 ~1982
2640509211240738 ~1983
2640853158451198 ~1982
264095952819197 ~1981
2640959475372638
26410391267698739 ~1985
2641061158463678 ~1982
2641109211288738 ~1983
2641279633906978 ~1984
264128352825677 ~1981
2641313633915138 ~1984
2641337369787198 ~1983
2641543422646898 ~1983
264157152831437 ~1981
Exp. Prime Factor Digits Year
2641571211325698
264163152832637 ~1981
2641669581167198 ~1984
264173952834797 ~1981
2641739211339138
264203952840797 ~1981
2642201211376098 ~1983
2642323264232318 ~1983
264235152847037 ~1981
264248352849677 ~1981
2642797158567838 ~1982
2642987634316898 ~1984
2643073158584398 ~1982
2643097792929118 ~1984
264313152862637 ~1981
2643343264334318 ~1983
2643581158614878 ~1982
264367152873437 ~1981
2643913158634798 ~1982
26440434917919999 ~1986
2644073158644398 ~1982
2644127211530178 ~1983
264413952882797 ~1981
26441392115311219
2644157211532578 ~1983
459
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25-06-01