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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
641016217384609730310 ~2001
641029211128205842310 ~2000
641039699128207939910 ~2000
641053043128210608710 ~2000
641053499128210699910 ~2000
641072171128214434310 ~2000
6410999511153979911911 ~2002
641108291128221658310 ~2000
641144411128228882310 ~2000
6411524414616297575311 ~2004
641182343128236468710 ~2000
641193251128238650310 ~2000
641235383128247076710 ~2000
641238659128247731910 ~2000
641239883128247976710 ~2000
641249699128249939910 ~2000
641262371128252474310 ~2000
641289491513031592910 ~2001
641304299128260859910 ~2000
641307071128261414310 ~2000
641333939128266787910 ~2000
641338499128267699910 ~2000
641347799128269559910 ~2000
6413497211026159553711 ~2002
6413652671154457480711 ~2002
Exponent Prime Factor Digits Year
641377991128275598310 ~2000
641397023128279404710 ~2000
641406281384843768710 ~2001
641425439513140351310 ~2001
641451491128290298310 ~2000
641470079128294015910 ~2000
641474819128294963910 ~2000
641510483128302096710 ~2000
641520923128304184710 ~2000
641529683128305936710 ~2000
641596273384957763910 ~2001
641620493384972295910 ~2001
641635619128327123910 ~2000
641644571128328914310 ~2000
641645633384987379910 ~2001
641675759128335151910 ~2000
641677703128335540710 ~2000
641695091128339018310 ~2000
641705891128341178310 ~2000
641742323128348464710 ~2000
6417970811411953578311 ~2002
641818237385090942310 ~2001
641828471128365694310 ~2000
641839151128367830310 ~2000
6418565213594396517711 ~2003
Exponent Prime Factor Digits Year
641880023128376004710 ~2000
641906159128381231910 ~2000
641912291128382458310 ~2000
641960939128392187910 ~2000
642033341385220004710 ~2001
642046763128409352710 ~2000
642049019513639215310 ~2001
642051551128410310310 ~2000
642058139128411627910 ~2000
642063959128412791910 ~2000
6420752511155735451911 ~2002
642076943128415388710 ~2000
642079979128415995910 ~2000
642081131128416226310 ~2000
642093983128418796710 ~2000
642099539128419907910 ~2000
6421031931541047663311 ~2002
642103817385262290310 ~2001
642105911128421182310 ~2000
642186617385311970310 ~2001
642187691128437538310 ~2000
642204863128440972710 ~2000
642206723128441344710 ~2000
642216187642216187110 ~2001
642225071128445014310 ~2000
Exponent Prime Factor Digits Year
642233783128446756710 ~2000
642240917385344550310 ~2001
642253427513802741710 ~2001
642270203128454040710 ~2000
642278237385366942310 ~2001
642320531128464106310 ~2000
642337271128467454310 ~2000
642362099513889679310 ~2001
642364757385418854310 ~2001
6423787217580068907911 ~2004
642408191128481638310 ~2000
642411239128482247910 ~2000
642422351513937880910 ~2001
642426899128485379910 ~2000
642459539128491907910 ~2000
642463859128492771910 ~2000
642464759128492951910 ~2000
642473603128494720710 ~2000
642480119128496023910 ~2000
642482531128496506310 ~2000
642541379128508275910 ~2000
642585539128517107910 ~2000
642591071514072856910 ~2001
642593543128518708710 ~2000
642633647514106917710 ~2001
3301
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25-05-04