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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
504171831008343679 ~1991
504175791008351599 ~1991
50419133151257399110 ~1994
504191631008383279 ~1991
504207918067326579 ~1993
504216613025299679 ~1992
504217431008434879 ~1991
504221991008443999 ~1991
504229191008458399 ~1991
504242874033942979 ~1993
504249111008498239 ~1991
504250191008500399 ~1991
504263031008526079 ~1991
504271191008542399 ~1991
504271311008542639 ~1991
504277911008555839 ~1991
504291111008582239 ~1991
504298431008596879 ~1991
504305991008611999 ~1991
50431267171466307910 ~1994
504345133026070799 ~1992
50434661242086372910 ~1995
504367191008734399 ~1991
504367911008735839 ~1991
504374173026245039 ~1992
Exponent Prime Factor Digits Year
50438477151315431110 ~1994
504395031008790079 ~1991
504404511008809039 ~1991
504415911008831839 ~1991
504428391008856799 ~1991
504436218070979379 ~1993
504456231008912479 ~1991
504459711008919439 ~1991
504460431008920879 ~1991
504488991008977999 ~1991
504499791008999599 ~1991
504500213027001279 ~1992
504506511009013039 ~1991
504510413027062479 ~1992
504519591009039199 ~1991
504527511009055039 ~1991
504538497063538879 ~1993
504539813027238879 ~1992
504569991009139999 ~1991
504583791009167599 ~1991
504584511009169039 ~1991
504587631009175279 ~1991
504590631009181279 ~1991
504598791009197599 ~1991
50459881242207428910 ~1995
Exponent Prime Factor Digits Year
504602094036816739 ~1993
504603831009207679 ~1991
504619911009239839 ~1991
504620991009241999 ~1991
504626631009253279 ~1991
504634813027808879 ~1992
504635031009270079 ~1991
504636075046360719 ~1993
504637191009274399 ~1991
504640791009281599 ~1991
504641631009283279 ~1991
504650991009301999 ~1991
504675231009350479 ~1991
504731413028388479 ~1992
504745911009491839 ~1991
50474843131234591910 ~1994
504752631009505279 ~1991
504779631009559279 ~1991
504789773028738639 ~1992
504802333028813999 ~1992
504811911009623839 ~1991
504830391009660799 ~1991
504841911009683839 ~1991
504847431009694879 ~1991
504849711009699439 ~1991
Exponent Prime Factor Digits Year
50488829151466487110 ~1994
504911213029467279 ~1992
504963111009926239 ~1991
504965337069514639 ~1993
504975414039803299 ~1993
504982911009965839 ~1991
504992031009984079 ~1991
505009791010019599 ~1991
505010573030063439 ~1992
505012191010024399 ~1991
505026711010053439 ~1991
505037511010075039 ~1991
505037631010075279 ~1991
505072791010145599 ~1991
505076511010153039 ~1991
505099191010198399 ~1991
505143013030858079 ~1992
505143079092575279 ~1993
505166514041332099 ~1993
505173591010347199 ~1991
505189311010378639 ~1991
505190991010381999 ~1991
505199991010399999 ~1991
505219279093946879 ~1993
505230591010461199 ~1991
2038
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25-04-13