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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
42920091287602719 ~1986
42920271030086499 ~1985
4292051343364098 ~1984
42921171631004479 ~1986
429233985846797 ~1983
429247185849437 ~1983
4292503429250318 ~1984
4292573257554398 ~1984
4292581257554878 ~1984
4292887429288718 ~1984
429290385858077 ~1983
42929212404035779 ~1986
4293041343443298 ~1984
429307185861437 ~1983
429308385861677 ~1983
4293187772773678 ~1985
429332385866477 ~1983
4293347343467778 ~1984
4293389343471138 ~1984
429362385872477 ~1983
4293781257626878 ~1984
4293853257631198 ~1984
4293869601141678 ~1985
4294067343525378 ~1984
4294363429436318 ~1984
Exp. Prime Factor Digits Year
4294637601249198 ~1985
42946815411298079 ~1987
42947691030744579 ~1985
4294799343583938 ~1984
429491985898397 ~1983
4295021257701278 ~1984
429518385903677 ~1983
4295261257715678 ~1984
429551985910397 ~1983
4295671687307378 ~1985
4295719429571918 ~1984
4296449343715938 ~1984
4296571429657118 ~1984
42966731031201539 ~1985
429689985937997 ~1983
4297037257822238 ~1984
429704385940877 ~1983
4297259343780738 ~1984
429757185951437 ~1983
42979811289394319 ~1986
429821985964397 ~1983
4298461257907678 ~1984
429847185969437 ~1983
4298471773724798
4298561343884898 ~1984
Exp. Prime Factor Digits Year
4298669601813678 ~1985
4298759343900738 ~1984
42989271117721039 ~1986
4299209343936738 ~1984
429929985985997 ~1983
42995092665695599 ~1986
4299727429972718 ~1984
429979185995837 ~1983
429980385996077 ~1983
4300007344000578 ~1984
4300217344017378 ~1984
430025986005197 ~1983
430031986006397 ~1983
43004896192704179 ~1987
430082386016477 ~1983
4300853258051198 ~1984
430087186017437 ~1983
43009512064456499 ~1986
430124386024877 ~1983
430141186028237 ~1983
4301519344121538 ~1984
4301789344143138 ~1984
43017892667109199
430214386042877 ~1983
4302161258129678 ~1984
Exp. Prime Factor Digits Year
43022291290668719 ~1986
4302317344185378 ~1984
4302317602324398
43023712065138099 ~1986
430249186049837 ~1983
4302737258164238 ~1984
4302737344218978
4302917258175038 ~1984
43029171032700099
430316386063277 ~1983
430351186070237 ~1983
43035614131418579 ~1987
4303679344294338 ~1984
430403986080797 ~1983
430429186085837 ~1983
4304291344343298
430460386092077 ~1983
4304627344370178 ~1984
4304821258289278 ~1984
4304897344391778 ~1984
430499986099997 ~1983
430508386101677 ~1983
43050831119321599
430517986103597 ~1983
43051791033242979
620
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25-05-04