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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
2500661279500132255910 ~2004
2500676063500135212710 ~2004
2500946999500189399910 ~2004
2500956791500191358310 ~2004
250104639713505650543912 ~2008
2501049731500209946310 ~2004
2501064851500212970310 ~2004
25012322592501232259111 ~2006
2501250659500250131910 ~2004
25012727573501781859911 ~2006
2501316791500263358310 ~2004
2501466059500293211910 ~2004
25014863331500891799911 ~2006
25014930314002388849711 ~2007
2501678603500335720710 ~2004
2501750939500350187910 ~2004
25017587392001406991311 ~2006
250179861723516906999912 ~2008
25019066693502669336711 ~2006
2501936999500387399910 ~2004
2501977631500395526310 ~2004
2502167051500433410310 ~2004
25021817692001745415311 ~2006
2502203351500440670310 ~2004
25022070771501324246311 ~2006
Exponent Prime Factor Digits Year
2502254351500450870310 ~2004
2502305243500461048710 ~2004
2502365699500473139910 ~2004
2502385331500477066310 ~2004
2502433259500486651910 ~2004
25025160011501509600711 ~2006
2502605243500521048710 ~2004
2502618743500523748710 ~2004
2502714503500542900710 ~2004
2502733619500546723910 ~2004
2502824543500564908710 ~2004
25029772872502977287111 ~2006
2502995063500599012710 ~2004
2503101719500620343910 ~2004
2503165559500633111910 ~2004
2503178231500635646310 ~2004
25032137536007713007311 ~2007
2503353119500670623910 ~2004
25033594992503359499111 ~2006
25033778931502026735911 ~2006
2503423031500684606310 ~2004
2503481723500696344710 ~2004
25035967912002877432911 ~2006
2503656059500731211910 ~2004
250366864115522745574312 ~2008
Exponent Prime Factor Digits Year
2503685399500737079910 ~2004
250378377118027243151312 ~2008
2503879643500775928710 ~2004
2503909211500781842310 ~2004
25040623492003249879311 ~2006
25041930611502515836711 ~2006
2504196899500839379910 ~2004
2504221019500844203910 ~2004
2504232011500846402310 ~2004
2504265983500853196710 ~2004
2504308451500861690310 ~2004
2504382119500876423910 ~2004
2504408891500881778310 ~2004
25044702011502682120711 ~2006
2504498219500899643910 ~2004
2504585939500917187910 ~2004
2504643083500928616710 ~2004
25047463032504746303111 ~2006
2504779703500955940710 ~2004
2504985551500997110310 ~2004
2505069239501013847910 ~2004
25051877472505187747111 ~2006
2505247271501049454310 ~2004
2505380651501076130310 ~2004
25054163171503249790311 ~2006
Exponent Prime Factor Digits Year
2505448079501089615910 ~2004
250545754712026196225712 ~2008
2505527963501105592710 ~2004
2505625043501125008710 ~2004
2505733463501146692710 ~2004
25057602531503456151911 ~2006
2505890903501178180710 ~2004
25059922611503595356711 ~2006
2506139183501227836710 ~2004
2506195271501239054310 ~2004
2506233179501246635910 ~2004
2506324319501264863910 ~2004
2506334111501266822310 ~2004
25064377012005150160911 ~2006
2506502891501300578310 ~2004
2506561943501312388710 ~2004
25066395192506639519111 ~2006
2506674011501334802310 ~2004
25067155512506715551111 ~2006
2506735571501347114310 ~2004
2506808123501361624710 ~2004
2506828223501365644710 ~2004
25068360892005468871311 ~2006
2507109623501421924710 ~2004
2507232263501446452710 ~2004
3837
GIMPS The Prime Pages FactorDb.com
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25-05-04