Home e-mail
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
25791263515825278 ~1989
25792103515842078 ~1989
257924931547549599 ~1990
25792523515850478 ~1989
25792583515851678 ~1989
257931011547586079 ~1990
25793123515862478 ~1989
25793171515863438 ~1989
257935912063487299 ~1990
25793843515876878 ~1989
257938971547633839 ~1990
257945572063564579 ~1990
25795163515903278 ~1989
25795883515917678 ~1989
25796003515920078 ~1989
25796759515935198 ~1989
25796999515939998 ~1989
25797599515951998 ~1989
257978171547869039 ~1990
25797911515958238 ~1989
25798403515968078 ~1989
25798739515974798 ~1989
25799051515981038 ~1989
25799363515987278 ~1989
25799759515995198 ~1989
Exponent Prime Factor Digits Year
25800023516000478 ~1989
25800083516001678 ~1989
25800311516006238 ~1989
25800839516016798 ~1989
25800851516017038 ~1989
25801199516023998 ~1989
25801799516035998 ~1989
25801859516037198 ~1989
25802219516044398 ~1989
25802519516050398 ~1989
25802531516050638 ~1989
25802831516056638 ~1989
25803131516062638 ~1989
25803143516062878 ~1989
25803551516071038 ~1989
25803623516072478 ~1989
258038714644696799 ~1991
25803983516079678 ~1989
25804199516083998 ~1989
25804391516087838 ~1989
25804763516095278 ~1989
25805579516111598 ~1989
258056693612793679 ~1991
25805963516119278 ~1989
25806359516127198 ~1989
Exponent Prime Factor Digits Year
25806551516131038 ~1989
25806829242584192710 ~1993
25807031516140638 ~1989
25807499516149998 ~1989
25807571516151438 ~1989
25808171516163438 ~1989
25808291516165838 ~1989
25808339516166798 ~1989
25808423516168478 ~1989
25808543516170878 ~1989
25808831516176638 ~1989
25809083516181678 ~1989
25809253103237012110 ~1992
25809263516185278 ~1989
25809299516185998 ~1989
25809359516187198 ~1989
25809851516197038 ~1989
25810283516205678 ~1989
258105114645891999 ~1991
25810619516212398 ~1989
25810679516213598 ~1989
25811039516220798 ~1989
25811171516223438 ~1989
25811339516226798 ~1989
258113396194721379
Exponent Prime Factor Digits Year
25811399516227998 ~1989
258114171548685039 ~1990
258126731548760399 ~1990
258127011548762079 ~1990
258129011548774079 ~1990
25813283516265678 ~1989
25814003516280078 ~1989
25814111516282238 ~1989
258145492065163939 ~1990
25814699516293998 ~1989
25814903516298078 ~1989
258149811548898879 ~1990
25815371516307438 ~1989
25815563516311278 ~1989
258156131548936799 ~1990
25816391516327838 ~1989
25816919516338398 ~1989
25818011516360238 ~1989
25818263516365278 ~1989
25818307170400826310 ~1993
25818959516379198 ~1989
25819919516398398 ~1989
25821443516428878 ~1989
25821611516432238 ~1989
25822091516441838 ~1989
Home
4.843.404 digits
e-mail
25-06-08