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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
552903881331742328710 ~2000
552941159110588231910 ~1999
552953473331772083910 ~2000
552970553331782331910 ~2000
552986099110597219910 ~1999
552989231110597846310 ~1999
553005923110601184710 ~1999
553024271442419416910 ~2001
553033499110606699910 ~1999
553050427553050427110 ~2001
553059491110611898310 ~1999
5530850531216787116711 ~2002
553148759110629751910 ~1999
553153807995676852710 ~2002
55315736915045880436912 ~2005
553165579553165579110 ~2001
553165621885064993710 ~2001
553170671110634134310 ~1999
5531849691659554907111 ~2002
553213513331928107910 ~2000
553243511110648702310 ~1999
553259141442607312910 ~2001
553267313331960387910 ~2000
553273921331964352710 ~2000
553274573331964743910 ~2000
Exponent Prime Factor Digits Year
553284323110656864710 ~1999
553284659110656931910 ~1999
553296911110659382310 ~1999
553300703110660140710 ~1999
553310717774635003910 ~2001
553319183110663836710 ~1999
553323731110664746310 ~1999
553328717442662973710 ~2001
553355303110671060710 ~1999
553356059110671211910 ~1999
553371493332022895910 ~2000
553375139110675027910 ~1999
553396643110679328710 ~1999
553399211110679842310 ~1999
553399439110679887910 ~1999
553454051442763240910 ~2001
553456979110691395910 ~1999
553482071110696414310 ~1999
553499407885599051310 ~2001
553517039110703407910 ~1999
553559353332135611910 ~2000
553593191110718638310 ~1999
553594753332156851910 ~2000
553619357442895485710 ~2001
553636147996545064710 ~2002
Exponent Prime Factor Digits Year
553657619110731523910 ~1999
553667651110733530310 ~1999
553673551553673551110 ~2001
553685351110737070310 ~1999
553702871110740574310 ~1999
553705931110741186310 ~1999
553728911110745782310 ~1999
553733111110746622310 ~1999
553734383110746876710 ~1999
553742831110748566310 ~1999
553746059110749211910 ~1999
5537549212658023620911 ~2003
553767679553767679110 ~2001
553781857332269114310 ~2000
553790183110758036710 ~1999
5537909713211987631911 ~2003
553798447553798447110 ~2001
553820741332292444710 ~2000
553821011110764202310 ~1999
553826699110765339910 ~1999
553829231110765846310 ~1999
553851601332310960710 ~2000
553863853332318311910 ~2000
553884923110776984710 ~1999
553909259110781851910 ~1999
Exponent Prime Factor Digits Year
553914671110782934310 ~1999
553916579110783315910 ~1999
5539275475760846488911 ~2003
553953203110790640710 ~1999
553987751443190200910 ~2001
553993091110798618310 ~1999
554022101332413260710 ~2000
554024171110804834310 ~1999
554033159110806631910 ~1999
554039351110807870310 ~1999
554044511110808902310 ~1999
554050223110810044710 ~1999
554053631110810726310 ~1999
554060723110812144710 ~1999
554067131110813426310 ~1999
554101109443280887310 ~2001
554141111110828222310 ~1999
554148431110829686310 ~1999
554150873332490523910 ~2000
554167331110833466310 ~1999
554170271110834054310 ~1999
554182883110836576710 ~1999
554187971110837594310 ~1999
554197223110839444710 ~1999
554221177332532706310 ~2000
3214
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25-04-13