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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
485108397021677 ~1983
4851233679172638 ~1985
485149197029837 ~1983
485168397033677 ~1983
4851761388140898 ~1985
4851883485188318 ~1985
4852051776328178 ~1985
485227197045437 ~1983
485228397045677 ~1983
4852303776368498 ~1985
4852693291161598 ~1984
48530831164739939 ~1986
485335197067037 ~1983
4853837388306978 ~1985
4854247485424718 ~1985
485453997090797 ~1983
485459997091997 ~1983
4854739485473918 ~1985
485477997095597 ~1983
4854833679676638 ~1985
4854893679685038 ~1985
4855327776852338 ~1985
485539197107837 ~1983
485570397114077 ~1983
48557171165372099 ~1986
Exp. Prime Factor Digits Year
4855973291358398 ~1984
485600397120077 ~1983
4856053291363198 ~1984
48562072330979379 ~1987
4856273291376398 ~1984
4856279388502338 ~1985
48562971165511299 ~1986
485639997127997 ~1983
4856503777040498 ~1985
48565311554089939 ~1986
4856597682837538310 ~1990
485663997132797 ~1983
4856701291402078 ~1984
4856777388542178 ~1985
48568691165648579 ~1986
4857067777130738 ~1985
48570671651402799
4857187874293678 ~1986
4857337291440238 ~1984
485737197147437 ~1983
4857389388591138 ~1985
4857499485749918 ~1985
4857533291451998 ~1984
485755197151037 ~1983
485768397153677 ~1983
Exp. Prime Factor Digits Year
485771997154397 ~1983
4857959388636738 ~1985
4857997777279538 ~1985
4858019388641538 ~1985
4858031388642498 ~1985
48582291165974979 ~1986
4858519485851918 ~1985
485855997171197 ~1983
48586731166081539 ~1986
485875197175037 ~1983
485881197176237 ~1983
485882397176477 ~1983
4858891874600398 ~1986
4859081291544878 ~1984
4859227777476338 ~1985
4859249388739938 ~1985
4859273291556398 ~1984
485953197190637 ~1983
48597131069136879 ~1986
4859717291583038 ~1984
4859837291590238 ~1984
486005997201197 ~1983
4860077388806178 ~1985
4860157777625138 ~1985
486020397204077 ~1983
Exp. Prime Factor Digits Year
4860281291616878 ~1984
4860367486036718 ~1985
4860421291625278 ~1984
4860439874879038 ~1986
4860553291633198 ~1984
4860871486087118 ~1985
486095997219197 ~1983
4861049680546878 ~1985
4861301388904098 ~1985
486140397228077 ~1983
48614293403000319 ~1987
4861561291693678 ~1984
4861603486160318 ~1985
4861807186693388910 ~1989
4861907388952578 ~1985
486194397238877 ~1983
486217197243437 ~1983
486224397244877 ~1983
486241197248237 ~1983
486251997250397 ~1983
486269997253997 ~1983
4862747389019778 ~1985
48628133014944079 ~1987
486284397256877 ~1983
4863017680822398 ~1985
698
GIMPS The Prime Pages FactorDb.com
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26-05-03