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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
12200843244016878 ~1986
12201131244022638 ~1986
12201191244023838 ~1986
12201193732071598 ~1988
12201353732081198 ~1988
12201719244034398 ~1986
122024711952395379 ~1989
12202691244053838 ~1986
12203003244060078 ~1986
12203183244063678 ~1986
12203651244073038 ~1986
12203699244073998 ~1986
12203759244075198 ~1986
12204323244086478 ~1986
12204551244091038 ~1986
122045832929099939 ~1989
12204611244092238 ~1986
12204851244097038 ~1986
122052792196950239 ~1989
12205691976455298 ~1988
122061011952976179 ~1989
12206339244126798 ~1986
12206393732383598 ~1988
12206423244128478 ~1986
12206543244130878 ~1986
Exponent Prime Factor Digits Year
12206879244137598 ~1986
122072712197308799 ~1989
12207323244146478 ~1986
12207731244154638 ~1986
12207911244158238 ~1986
12208019244160398 ~1986
122083733662511919 ~1989
12208433732505998 ~1988
12208597732515838 ~1988
12208751976700098 ~1988
122087691709227679 ~1988
12208919244178398 ~1986
12209101732546078 ~1988
12209521732571278 ~1988
122095211953523379
12209563380938365710 ~1992
12209591244191838 ~1986
122100071221000719 ~1988
12210101976808098 ~1988
12210119244202398 ~1986
122104675861024179 ~1990
12210563244211278 ~1986
12211057732663438 ~1988
12211273732676398 ~1988
122113373663401119 ~1989
Exponent Prime Factor Digits Year
12211757732705438 ~1988
12212159244243198 ~1986
12212159976972738
122124132930979139 ~1989
12212699244253998 ~1986
12212771244255438 ~1986
12212771977021698
12212831244256638 ~1986
12212939244258798 ~1986
12213863244277278 ~1986
12214019244280398 ~1986
12214417732865038 ~1988
12214523244290478 ~1986
12215123244302478 ~1986
12215279244305598 ~1986
122154731954475699 ~1989
12215543244310878 ~1986
122158511221585119 ~1988
12216203244324078 ~1986
122162234886489219 ~1990
122162472198924479 ~1989
12216299977303938 ~1988
12216731244334638 ~1986
122172113176474879 ~1989
12217559244351198 ~1986
Exponent Prime Factor Digits Year
12217811244356238 ~1986
12217901733074078 ~1988
12218207977456578 ~1988
122182072199277279
12218243244364878 ~1986
12218711244374238 ~1986
122187839041899439 ~1990
12218821733129278 ~1988
12218933733135998 ~1988
12219133733147998 ~1988
122192571710695999 ~1988
12219743244394878 ~1986
12219803244396078 ~1986
12220183256623843110 ~1991
12220217977617378 ~1988
12220259244405198 ~1986
12220823244416478 ~1986
122208492688586799 ~1989
122209211955347379 ~1989
122210395866098739 ~1990
12221399244427998 ~1986
12221519244430398 ~1986
122218372933240899 ~1989
122219813666594319 ~1989
12222101733326078 ~1988
1170
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25-12-14