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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
2854210915708421839 ~1997
2854245715708491439 ~1997
2854326715708653439 ~1997
285433273171259963910 ~1998
2854335595708671199 ~1997
2854380715708761439 ~1997
285438367285438367110 ~1999
285438641171263184710 ~1998
285442777171265666310 ~1998
2854438435708876879 ~1997
2854525435709050879 ~1997
2854526635709053279 ~1997
2854562635709125279 ~1997
2854605595709211199 ~1997
2854672435709344879 ~1997
2854773595709547199 ~1997
285480673456769076910 ~1999
285481277171288766310 ~1998
2854825795709651599 ~1997
2854948435709896879 ~1997
2855019595710039199 ~1997
2855210231884438751911 ~2001
2855257692055785536911 ~2001
285527023685264855310 ~2000
2855413915710827839 ~1997
Exponent Prime Factor Digits Year
2855467435710934879 ~1997
2855478595710957199 ~1997
2855495035710990079 ~1997
285554861228443888910 ~1999
2855638195711276399 ~1997
2855895715711791439 ~1997
285590867514063560710 ~1999
285599641628319210310 ~2000
2856052315712104639 ~1997
2856070435712140879 ~1997
285607367742579154310 ~2000
2856075595712151199 ~1997
2856214315712428639 ~1997
285626933399877706310 ~1999
285628771285628771110 ~1999
285630547285630547110 ~1999
285633857228507085710 ~1999
285638491457021585710 ~1999
2856414235712828479 ~1997
2856487915712975839 ~1997
2856549835713099679 ~1997
2856578995713157999 ~1997
2856606715713213439 ~1997
2856655195713310399 ~1997
285667979914137532910 ~2000
Exponent Prime Factor Digits Year
2856728995713457999 ~1997
2856738595713477199 ~1997
2856784795713569599 ~1997
2856814915713629839 ~1997
2856888115713776239 ~1997
285692171228553736910 ~1999
2856940915713881839 ~1997
2856971035713942079 ~1997
285701621171420972710 ~1998
285703091228562472910 ~1999
285715393457144628910 ~1999
2857180915714361839 ~1997
285732677171439606310 ~1998
2857546435715092879 ~1997
285761327228609061710 ~1999
2857711195715422399 ~1997
2857738435715476879 ~1997
2857772035715544079 ~1997
2857864915715729839 ~1997
2857895035715790079 ~1997
2857909315715818639 ~1997
2857947835715895679 ~1997
2857955995715911999 ~1997
2857999315715998639 ~1997
2858044435716088879 ~1997
Exponent Prime Factor Digits Year
2858121191200410899911 ~2000
285819377228655501710 ~1999
2858250491543455264711 ~2001
2858258035716516079 ~1997
285836737171502042310 ~1998
2858410195716820399 ~1997
285847241228677792910 ~1999
285848159228678527310 ~1999
285855197400197275910 ~1999
285859229228687383310 ~1999
285860273171516163910 ~1998
2858703115717406239 ~1997
285870791228696632910 ~1999
2858711995717423999 ~1997
2858729035717458079 ~1997
2858789271372218849711 ~2000
2858807995717615999 ~1997
2858844715717689439 ~1997
2858855635717711279 ~1997
2858896195717792399 ~1997
2858951995717903999 ~1997
2859064315718128639 ~1997
2859105715718211439 ~1997
285911273171546763910 ~1998
2859135715718271439 ~1997
2977
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25-06-08