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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
298991879239193503310 ~1999
2989972031255788252711 ~2000
299005229239204183310 ~1999
2990068435980136879 ~1997
2990185435980370879 ~1997
299028187299028187110 ~1999
2990285035980570079 ~1997
2990313715980627439 ~1997
299041031956931299310 ~2000
299058583478493732910 ~1999
299059303299059303110 ~1999
299069753179441851910 ~1998
2991030115982060239 ~1997
2991096595982193199 ~1997
299113847717873232910 ~2000
299114117418759763910 ~1999
299120243957184777710 ~2000
2991259795982519599 ~1997
2991307195982614399 ~1997
2991339595982679199 ~1997
2991409315982818639 ~1997
299143937717945448910 ~2000
2991485995982971999 ~1997
2991494515982989039 ~1997
299165291239332232910 ~1999
Exponent Prime Factor Digits Year
2991691315983382639 ~1997
299174047718017712910 ~2000
299176481239341184910 ~1999
2991847791256576071911 ~2000
2991944035983888079 ~1997
2991949795983899599 ~1997
299207653179524591910 ~1998
2992080793410972100711 ~2001
299221457239377165710 ~1999
299231137179538682310 ~1998
2992429915984859839 ~1997
2992489795984979599 ~1997
299257121239405696910 ~1999
2992628515985257039 ~1997
2992778995985557999 ~1997
2992974235985948479 ~1997
2992989115985978239 ~1997
2993111395986222799 ~1997
2993132471915604780911 ~2001
2993165515986331039 ~1997
2993222035986444079 ~1997
2993391715986783439 ~1997
2993415835986831679 ~1997
2993420515986841039 ~1997
2993469595986939199 ~1997
Exponent Prime Factor Digits Year
2993552995987105999 ~1997
299360863478977380910 ~1999
2993646835987293679 ~1997
299366609239493287310 ~1999
299382137239505709710 ~1999
2993864635987729279 ~1997
2993890195987780399 ~1997
299390857179634514310 ~1998
299396093179637655910 ~1998
2993982595987965199 ~1997
2994015595988031199 ~1997
2994092631257518904711 ~2000
299421179239536943310 ~1999
2994297715988595439 ~1997
2994301435988602879 ~1997
2994317035988634079 ~1997
2994547315989094639 ~1997
2994555715989111439 ~1997
2994556195989112399 ~1997
2994571315989142639 ~1997
2994599395989198799 ~1997
2994687835989375679 ~1997
2994702715989405439 ~1997
2994822235989644479 ~1997
2994916915989833839 ~1997
Exponent Prime Factor Digits Year
299499841179699904710 ~1998
2995058515990117039 ~1997
2995069795990139599 ~1997
2995269715990539439 ~1997
2995273315990546639 ~1997
2995274635990549279 ~1997
2995324195990648399 ~1997
299535073179721043910 ~1998
2995389733055297524711 ~2001
299544281239635424910 ~1999
2995502995991005999 ~1997
2995631635991263279 ~1997
2995721515991443039 ~1997
2995785235991570479 ~1997
2995812835991625679 ~1997
2995909435991818879 ~1997
2995925395991850799 ~1997
299598457479357531310 ~1999
299605721239684576910 ~1999
2996078713175843432711 ~2001
299608487239686789710 ~1999
299616089239692871310 ~1999
2996204635992409279 ~1997
2996321395992642799 ~1997
299633309239706647310 ~1999
2964
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25-05-04