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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.
Exp. Prime Factor Digits Year
76462632599729439 ~1988
7646279152925598 ~1985
7646293458777598 ~1986
7646501458790078 ~1986
7646519152930398 ~1985
7646843152936878 ~1985
7646861458811678 ~1986
7646993458819598 ~1986
7647071152941438 ~1985
76473471835363299 ~1987
76473771070632799 ~1987
7647587611806978 ~1986
7647839611827138 ~1986
7647881458872878 ~1986
7648019611841538 ~1986
7648031152960638 ~1985
7648057458883438 ~1986
76481637342236499 ~1989
7648327764832718 ~1986
7648391152967838 ~1985
7648439611875138 ~1986
7648499611879938 ~1986
7648703152974078 ~1985
7648757611900578 ~1986
7648897458933838 ~1986
Exp. Prime Factor Digits Year
7649021458941278 ~1986
7649231152984638 ~1985
7649413458964798 ~1986
7649459152989198 ~1985
76494591835870179
7649641458978478 ~1986
7649671191241775110 ~1990
7649801458988078 ~1986
7649953458997198 ~1986
7650077612006178 ~1986
7650121459007278 ~1986
7650257459015438 ~1986
7650347612027778 ~1986
7650389612031138 ~1986
7650719153014398 ~1985
7650941612075298 ~1986
7651097459065838 ~1986
7651121612089698 ~1986
7651151153023038 ~1985
76512112448387539 ~1988
7651643153032878 ~1985
7652017459121038 ~1986
7652119765211918 ~1986
7652213459132798 ~1986
7652471153049438 ~1985
Exp. Prime Factor Digits Year
7652693459161598 ~1986
7652783153055678 ~1985
7653047612243778 ~1986
7653263153065278 ~1985
7653313459198798 ~1986
76536231836869539 ~1987
76536911377664399 ~1987
7653761459225678 ~1986
7653797459227838 ~1986
7654499153089998 ~1985
7654571612365698 ~1986
76546494745882399 ~1988
7654873459292398 ~1986
76548731224779699
7655183153103678 ~1985
7655237459314238 ~1986
7655413459324798 ~1986
7655639153112798 ~1985
7655723153114478 ~1985
7655891153117838 ~1985
76560591837454179 ~1987
76563232450023379 ~1988
7656577459394638 ~1986
7656611153132238 ~1985
7656821459409278 ~1986
Exp. Prime Factor Digits Year
7657103153142078 ~1985
7657379153147598 ~1985
76575111990952879 ~1987
76575911378366399 ~1987
7657691153153838 ~1985
7658099612647938 ~1986
7658207612656578 ~1986
7658351153167038 ~1985
7658459612676738 ~1986
7658467765846718 ~1986
7658507612680578 ~1986
7658531153170638 ~1985
7658879153177598 ~1985
7658921459535278 ~1986
7658951153179038 ~1985
7659053459543198 ~1986
7659257459555438 ~1986
7659383153187678 ~1985
76594991378709839 ~1987
7659601459576078 ~1986
7659623153192478 ~1985
7659737612778978 ~1986
7659791153195838 ~1985
7660417459625038 ~1986
7660811153216238 ~1985
873
GIMPS The Prime Pages FactorDb.com
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25-05-04