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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
4877897682905598 ~1985
4877941292676478 ~1984
487801197560237 ~1983
48781491853696639 ~1986
4878151487815118 ~1985
4878373292702398 ~1984
487855197571037 ~1983
4878593292715598 ~1984
4878791878182398 ~1986
487885197577037 ~1983
48789771170954499 ~1986
487910397582077 ~1983
4879177292750638 ~1984
487922397584477 ~1983
48792231561351379
4879313683103838 ~1985
4879397292763838 ~1984
48794293415600319 ~1987
4879481390358498 ~1985
487949997589997 ~1983
4879517292771038 ~1984
4879541390363298 ~1985
487957197591437 ~1983
487963197592637 ~1983
4879711780753778 ~1985
Exp. Prime Factor Digits Year
4879993292799598 ~1984
4880201292812078 ~1984
4880261390420898 ~1985
4880279390422338 ~1985
488072397614477 ~1983
48809579761914019 ~1988
4881127488112718 ~1985
4881211488121118 ~1985
4881341390507298 ~1985
4881433292885998 ~1984
488165997633197 ~1983
4881707390536578 ~1985
4882061390564898 ~1985
488233197646637 ~1983
4882387731381572710 ~1990
4882421390593698 ~1985
488252397650477 ~1983
4882541292952478 ~1984
4882987488298718 ~1985
488342397668477 ~1983
488359197671837 ~1983
4883941781430578 ~1985
488399997679997 ~1983
488405997681197 ~1983
488441997688397 ~1983
Exp. Prime Factor Digits Year
4884643488464318 ~1985
488477997695597 ~1983
4884821293089278 ~1984
488501997700397 ~1983
4885201293112078 ~1984
4885483488548318 ~1985
488557197711437 ~1983
4885577293134638 ~1984
488569197713837 ~1983
488588397717677 ~1983
4886129390890338 ~1985
488615997723197 ~1983
4886513293190798 ~1984
4886593293195598 ~1984
4886641234558768110 ~1989
48866891075071599 ~1986
4886977293218638 ~1984
4887073293224398 ~1984
4887227140752137710 ~1989
488729997745997 ~1983
48877033128129939 ~1987
488831997766397 ~1983
488839197767837 ~1983
4888427391074178 ~1985
488861997772397 ~1983
Exp. Prime Factor Digits Year
4888837293330238 ~1984
4888997391119778 ~1985
488906397781277 ~1983
4889077782252338 ~1985
488924397784877 ~1983
4889279391142338 ~1985
48894318703187199 ~1988
48894611075681439 ~1986
488947197789437 ~1983
488954397790877 ~1983
4889609391168738 ~1985
488971197794237 ~1983
4890133293407998 ~1984
4890247489024718 ~1985
4890293293417598 ~1984
489032397806477 ~1983
4890331489033118 ~1985
4890547489054718 ~1985
489056397811277 ~1983
489065997813197 ~1983
4890761391260898 ~1985
4890841293450478 ~1984
4890857293451438 ~1984
489091197818237 ~1983
489097197819437 ~1983
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25-06-29