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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
27803603556072078 ~1989
27803903556078078 ~1989
27803999556079998 ~1989
27804071556081438 ~1989
27804743556094878 ~1989
278048171668289039 ~1990
278049011668294079 ~1990
27805439556108798 ~1989
27805619556112398 ~1989
27805859556117198 ~1989
27806123556122478 ~1989
27806879556137598 ~1989
27807119556142398 ~1989
27807743556154878 ~1989
27807803556156078 ~1989
278081771668490639 ~1990
27808223556164478 ~1989
27809291556185838 ~1989
27809363556187278 ~1989
27810371556207438 ~1989
27810683556213678 ~1989
278110331668661999 ~1990
27811139556222798 ~1989
27811271556225438 ~1989
27811691556233838 ~1989
Exponent Prime Factor Digits Year
27811799556235998 ~1989
27812231556244638 ~1989
27812639556252798 ~1989
278128798900121299 ~1992
27812891556257838 ~1989
27813323556266478 ~1989
278140272781402719 ~1991
27814211556284238 ~1989
27814811183577752710 ~1993
278149218344476319 ~1992
27815699556313998 ~1989
27815759556315198 ~1989
27816143556322878 ~1989
27816443556328878 ~1989
27816923556338478 ~1989
27818039556360798 ~1989
27818471556369438 ~1989
27818741172476194310 ~1993
278194373894721199 ~1991
27819563556391278 ~1989
27819959556399198 ~1989
27821471556429438 ~1989
27822071556441438 ~1989
27822491556449838 ~1989
27822719556454398 ~1989
Exponent Prime Factor Digits Year
278229892225839139 ~1991
27823511556470238 ~1989
27823931556478638 ~1989
278239312225914499
27824063556481278 ~1989
27824243556484878 ~1989
27824663556493278 ~1989
27825023556500478 ~1989
27825131556502638 ~1989
27825431556508638 ~1989
27825599556511998 ~1989
27826223556524478 ~1989
27826511556530238 ~1989
27826691556533838 ~1989
27827099556541998 ~1989
278272731669636399 ~1990
27827329578808443310 ~1994
27827339556546798 ~1989
27827603556552078 ~1989
27827879556557598 ~1989
27828011556560238 ~1989
27828491556569838 ~1989
27828743556574878 ~1989
278290731669744399 ~1990
27829463556589278 ~1989
Exponent Prime Factor Digits Year
278300571669803439 ~1990
27830171556603438 ~1989
27830303556606078 ~1989
27831203556624078 ~1989
278318212226545699 ~1991
27832019556640398 ~1989
27832151556643038 ~1989
27832379556647598 ~1989
27832643556652878 ~1989
27832979556659598 ~1989
27833363556667278 ~1989
27833483556669678 ~1989
27833983267206236910 ~1993
278340771670044639 ~1990
27834671556693438 ~1989
27834731556694638 ~1989
27834959556699198 ~1989
27835091556701838 ~1989
27835271556705438 ~1989
27835631556712638 ~1989
27836639556732798 ~1989
27837611556752238 ~1989
27837779556755598 ~1989
27838451556769038 ~1989
27838703556774078 ~1989
1658
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25-04-13