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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
7013863701386318 ~1986
7013927561114178 ~1986
7014107561128578 ~1986
7014131140282638 ~1984
70143132805725219 ~1988
7014503140290078 ~1984
7014653982051438 ~1987
7014739701473918 ~1986
7014851561188098 ~1986
7014989982098478 ~1987
7015109561208738 ~1986
7015139140302798 ~1984
7015273420916398 ~1986
7015399701539918 ~1986
7015499140309998 ~1984
7015511140310238 ~1984
7015559140311198 ~1984
70157171122514739 ~1987
70157871824104639 ~1987
7016099140321998 ~1984
7016333420979998 ~1986
7016423140328478 ~1984
7016473420988398 ~1986
7016641420998478 ~1986
7016831561346498 ~1986
Exp. Prime Factor Digits Year
7016963140339278 ~1984
7017089982392478 ~1987
7017239140344798 ~1984
7017419561393538 ~1986
7017611140352238 ~1984
7017767561421378 ~1986
70181292105438719 ~1987
7018457421107438 ~1986
7018541561483298 ~1986
70188131684515139 ~1987
7019057561524578 ~1986
7019123140382478 ~1984
7019279140385598 ~1984
7019471140389438 ~1984
7019489982728478 ~1987
7019729982762078 ~1987
7019777421186638 ~1986
70203175475847279 ~1988
7020593421235598 ~1986
7020707561656578 ~1986
7020791140415838 ~1984
7021073982950238 ~1987
7021139140422798 ~1984
7021211140424238 ~1984
7021439140428798 ~1984
Exp. Prime Factor Digits Year
7021577421294638 ~1986
7021657421299438 ~1986
7022051140441038 ~1984
7022083702208318 ~1986
7022237983113198 ~1987
70223471264022479 ~1987
7022551702255118 ~1986
7022651140453038 ~1984
7022857421371438 ~1986
7023011140460238 ~1984
7023187702318718 ~1986
7023221421393278 ~1986
70232231123715699 ~1987
7023619198066055910 ~1990
7023637421418238 ~1986
7023683140473678 ~1984
7023847702384718 ~1986
7023857561908578 ~1986
7024163140483278 ~1984
70242171685812099 ~1987
70243091545347999 ~1987
7024313421458798 ~1986
7024463140489278 ~1984
7025059702505918 ~1986
70251133231551999 ~1988
Exp. Prime Factor Digits Year
7025563702556318 ~1986
70255631686135139
70256398009228479 ~1989
7025723140514478 ~1984
7025891140517838 ~1984
7026203140524078 ~1984
7026233983672638 ~1987
7026343231869319110 ~1990
7026443140528878 ~1984
7026493421589598 ~1986
7026821562145698 ~1986
7026857421611438 ~1986
7026919702691918 ~1986
7027469562197538 ~1986
7027723702772318 ~1986
70279211546142639 ~1987
7027931562234498 ~1986
7027991562239298 ~1986
7028033421681998 ~1986
7028057983927998 ~1987
7028299702829918 ~1986
7028381562270498 ~1986
7028663140573278 ~1984
7028677421720638 ~1986
7028711140574238 ~1984
865
GIMPS The Prime Pages FactorDb.com
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26-03-15