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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
277902611667415679 ~1990
277912076669889699 ~1992
27791411555828238 ~1989
277916771667500639 ~1990
27792071555841438 ~1989
27792419555848398 ~1989
27792503555850078 ~1989
277928276670278499 ~1992
277938418338152319 ~1992
27794171555883438 ~1989
27794183555883678 ~1989
27794411555888238 ~1989
277945192223561539 ~1991
27794951555899038 ~1989
277949531667697199 ~1990
27795539555910798 ~1989
27796019555920398 ~1989
277962616115177439 ~1992
27796403555928078 ~1989
27796679555933598 ~1989
27796823116746656710 ~1992
27797183555943678 ~1989
27797411555948238 ~1989
27797603555952078 ~1989
27798131555962638 ~1989
Exponent Prime Factor Digits Year
27798623555972478 ~1989
27799151555983038 ~1989
27799259555985198 ~1989
277994272223954179 ~1991
277994832779948319 ~1991
27800411556008238 ~1989
27801083556021678 ~1989
278011331668067999 ~1990
278013376672320899 ~1992
278024571668147439 ~1990
27802583556051678 ~1989
278031171668187039 ~1990
27803519556070398 ~1989
27803603556072078 ~1989
27803903556078078 ~1989
27803999556079998 ~1989
27804071556081438 ~1989
27804743556094878 ~1989
278048171668289039 ~1990
278049011668294079 ~1990
27805439556108798 ~1989
27805619556112398 ~1989
27805859556117198 ~1989
27806123556122478 ~1989
27806879556137598 ~1989
Exponent Prime Factor Digits Year
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
27811799556235998 ~1989
27812231556244638 ~1989
27812639556252798 ~1989
278128798900121299 ~1992
27812891556257838 ~1989
27813323556266478 ~1989
278140272781402719 ~1991
27814211556284238 ~1989
27814811183577752710 ~1993
278149218344476319 ~1992
27815699556313998 ~1989
27815759556315198 ~1989
Exponent Prime Factor Digits Year
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
278229892225839139 ~1991
27823511556470238 ~1989
27823931556478638 ~1989
278239312225914499
27824063556481278 ~1989
27824243556484878 ~1989
27824663556493278 ~1989
27825023556500478 ~1989
27825131556502638 ~1989
27825431556508638 ~1989
27825599556511998 ~1989
27826223556524478 ~1989
1664
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25-05-04