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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
1277368312554736639 ~1994
1277386792554773599 ~1994
1277431817664590879 ~1995
1277433832554867679 ~1994
1277439712554879439 ~1994
1277456032554912079 ~1994
1277475977664855839 ~1995
1277484592554969199 ~1994
1277559832555119679 ~1994
1277596792555193599 ~1994
127759937715455647310 ~1998
127760609102208487310 ~1996
1277614792555229599 ~1994
1277634112555268239 ~1994
1277642577665855439 ~1995
127766831102213464910 ~1996
1277678512555357039 ~1994
1277684632555369279 ~1994
127771291204434065710 ~1997
1277754232555508479 ~1994
1277782912555565839 ~1994
1277788792555577599 ~1994
1277809792555619599 ~1994
1277814712555629439 ~1994
1277841832555683679 ~1994
Exponent Prime Factor Digits Year
1277912632555825279 ~1994
127792921281144426310 ~1997
1277955712555911439 ~1994
127797259613426843310 ~1998
127805527127805527110 ~1996
1278076432556152879 ~1994
1278091312556182639 ~1994
1278094912556189839 ~1994
1278110032556220079 ~1994
127816219127816219110 ~1996
1278190192556380399 ~1994
1278192592556385199 ~1994
1278192712556385439 ~1994
127821893178950650310 ~1996
1278239992556479999 ~1994
1278251512556503039 ~1994
127826827204522923310 ~1997
1278279712556559439 ~1994
127833887332368106310 ~1997
1278411831022729464111 ~1998
127841603409093129710 ~1997
1278459977670759839 ~1995
1278467392556934799 ~1994
1278521392557042799 ~1994
127856539127856539110 ~1996
Exponent Prime Factor Digits Year
1278591017671546079 ~1995
1278621832557243679 ~1994
127864663127864663110 ~1996
1278677032557354079 ~1994
1278706432557412879 ~1994
1278760817672564879 ~1995
1278761392557522799 ~1994
127876843127876843110 ~1996
127877261102301808910 ~1996
1278780431227629212911 ~1998
1278807712557615439 ~1994
1278825377672952239 ~1995
127887839102310271310 ~1996
127887943127887943110 ~1996
1278972232557944479 ~1994
1278975017673850079 ~1995
1278995392557990799 ~1994
1278999832557999679 ~1994
1279003737674022399 ~1995
1279018432558036879 ~1994
127903829383711487110 ~1997
1279051432558102879 ~1994
1279059832558119679 ~1994
127907291102325832910 ~1996
1279106177674637039 ~1995
Exponent Prime Factor Digits Year
127916431127916431110 ~1996
1279188377675130239 ~1995
1279223032558446079 ~1994
1279224712558449439 ~1994
1279228312558456639 ~1994
1279233112558466239 ~1994
1279328392558656799 ~1994
1279331032558662079 ~1994
1279340992558681999 ~1994
1279358512558717039 ~1994
1279392417676354479 ~1995
1279405312558810639 ~1994
127943033179120246310 ~1996
1279551112559102239 ~1994
1279677112559354239 ~1994
1279698232559396479 ~1994
1279738312559476639 ~1994
1279741792559483599 ~1994
1279788592559577199 ~1994
1279796817678780879 ~1995
1279809592559619199 ~1994
1279819792559639599 ~1994
1279822192559644399 ~1994
1279849912559699839 ~1994
1279867792559735599 ~1994
2549
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25-05-04