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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
5525777773608798 ~1986
5525797331547838 ~1985
5526041331562478 ~1985
5526043552604318 ~1985
5526113331566798 ~1985
5526137773659198 ~1986
5526179110523598 ~1984
5526481331588878 ~1985
55266131326387139 ~1986
5526679994802238 ~1986
5526743110534878 ~1984
5526881442150498 ~1985
5526977442158178 ~1985
5527079110541598 ~1984
5527163110543278 ~1984
5527243884358898 ~1986
5527253331635198 ~1985
5527391110547838 ~1984
5527411552741118 ~1985
5527591552759118 ~1985
5527591124923556710
5527631110552638 ~1984
55279011658370319 ~1987
5527931442234498 ~1985
5527961442236898 ~1985
Exp. Prime Factor Digits Year
5528141331688478 ~1985
5528147995066478 ~1986
5528407552840718 ~1985
5528513331710798 ~1985
5529001884640178 ~1986
5529367552936718 ~1985
5529367884698738
5529791110595838 ~1984
5529899110597998 ~1984
5529971110599438 ~1984
5530123884819698 ~1986
5530211995437998 ~1986
5530939553093918 ~1985
55309391327425379
5531081331864878 ~1985
5531117442489378 ~1985
5531243110624878 ~1984
5531347553134718 ~1985
5531371553137118 ~1985
5531497331889838 ~1985
5531549442523938 ~1985
5531639110632798 ~1984
5531809144933395910 ~1989
5531819110636398 ~1984
5532179110643598 ~1984
Exp. Prime Factor Digits Year
5532341442587298 ~1985
5532623110652478 ~1984
5532757331965438 ~1985
5533039553303918 ~1985
5533049442643938 ~1985
5533301331998078 ~1985
5533337332000238 ~1985
5533439442675138 ~1985
55336813984250339 ~1987
5533901332034078 ~1985
5534003110680078 ~1984
5534017332041038 ~1985
5534351110687038 ~1984
55343591328246179 ~1986
55345273210025679 ~1987
5534593885534898 ~1986
5534759110695198 ~1984
5534891110697838 ~1984
5534939110698798 ~1984
5535011110700238 ~1984
5535443110708878 ~1984
55356112657093299 ~1987
5535923110718478 ~1984
5536103110722078 ~1984
5536159553615918 ~1985
Exp. Prime Factor Digits Year
5536319442905538 ~1985
5536403110728078 ~1984
5536417332185038 ~1985
5536463110729278 ~1984
5536523110730478 ~1984
5536613332196798 ~1985
5536753332205198 ~1985
5536871110737438 ~1984
5536931110738638 ~1984
5536933332215998 ~1985
5537201332232078 ~1985
5537381332242878 ~1985
5537737332264238 ~1985
5537783110755678 ~1984
5537879110757598 ~1984
5537881332272878 ~1985
5538191110763838 ~1984
5538359996904638 ~1986
5538361332301678 ~1985
5538691886190578 ~1986
5538857332331438 ~1985
5538893332333598 ~1985
5538943553894318 ~1985
5538947443115778 ~1985
5539199110783998 ~1984
719
GIMPS The Prime Pages FactorDb.com
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25-04-13