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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
12208919244178398 ~1986
12209101732546078 ~1987
12209521732571278 ~1987
122095211953523379
12209563380938365710 ~1992
12209591244191838 ~1986
122100071221000719 ~1988
12210101976808098 ~1988
12210119244202398 ~1986
122104675861024179 ~1990
12210563244211278 ~1986
12211057732663438 ~1987
12211273732676398 ~1987
122113373663401119 ~1989
12211757732705438 ~1987
12212159244243198 ~1986
12212159976972738
122124132930979139 ~1989
12212699244253998 ~1986
12212771244255438 ~1986
12212771977021698
12212831244256638 ~1986
12212939244258798 ~1986
12213863244277278 ~1986
12214019244280398 ~1986
Exponent Prime Factor Digits Year
12214417732865038 ~1987
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
12217811244356238 ~1986
12217901733074078 ~1987
12218207977456578 ~1988
122182072199277279
12218243244364878 ~1986
12218711244374238 ~1986
122187839041899439 ~1990
12218821733129278 ~1987
12218933733135998 ~1987
12219133733147998 ~1987
122192571710695999 ~1988
Exponent Prime Factor Digits Year
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 ~1987
122221271955540339 ~1989
12222557733353438 ~1987
122227031222270319 ~1988
12222803244456078 ~1986
12222851244457038 ~1986
122230373666911119 ~1989
122234831955757299 ~1989
12223633733417998 ~1987
12223721733423278 ~1987
12223751977900098 ~1988
12224281733456878 ~1987
Exponent Prime Factor Digits Year
12224651244493038 ~1986
122248796112439519 ~1990
12225611244512238 ~1986
12225659119811458310 ~1990
122259013667770319 ~1989
12226223244524478 ~1986
12226499244529998 ~1986
12226583244531678 ~1986
122268291711756079 ~1988
12226871244537438 ~1986
12227591244551838 ~1986
122280611956489779 ~1989
12228119244562398 ~1986
12228563244571278 ~1986
122288411956614579 ~1989
12229333349758923910 ~1992
12229403244588078 ~1986
12229523244590478 ~1986
12229751244595038 ~1986
12229883244597678 ~1986
12230111244602238 ~1986
12230789978463138 ~1988
12230903244618078 ~1986
122311572935477699 ~1989
12231203244624078 ~1986
1136
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25-07-08