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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
181125111449000899 ~1989
18112931362258638 ~1988
18113411362268238 ~1988
18113663362273278 ~1988
18114203362284078 ~1988
18114611362292238 ~1988
181146972898351539 ~1990
18115043362300878 ~1988
181151211086907279 ~1989
18115211362304238 ~1988
18115991362319838 ~1988
181160171086961039 ~1989
181160711811607119 ~1989
181163331086979999 ~1989
181167671811676719 ~1989
18117023362340478 ~1988
18117191362343838 ~1988
18117251362345038 ~1988
181173312898772979 ~1990
181176011087056079 ~1989
18117719362354398 ~1988
18117791362355838 ~1988
18117923362358478 ~1988
18118211362364238 ~1988
18118283362365678 ~1988
Exponent Prime Factor Digits Year
181182974348391299 ~1990
18119303362386078 ~1988
18119351362387038 ~1988
181194117610152639 ~1991
181198191449585539 ~1989
18119879362397598 ~1988
18120059362401198 ~1988
18121253547261840710 ~1993
181214691449717539 ~1989
181216031812160319 ~1989
181220571087323439 ~1989
181225571087353439 ~1989
181227174349452099 ~1990
18123263362465278 ~1988
18124019362480398 ~1988
18124559362491198 ~1988
181246971087481839 ~1989
18124763362495278 ~1988
181248312899972979 ~1990
18125351362507038 ~1988
18125603362512078 ~1988
18125843362516878 ~1988
18125903362518078 ~1988
18126791362535838 ~1988
18127019362540398 ~1988
Exponent Prime Factor Digits Year
181271271450170179 ~1989
18127163362543278 ~1988
18127673242910818310 ~1992
18127859362557198 ~1988
181281891450255139 ~1989
18128471362569438 ~1988
18128879362577598 ~1988
18128963362579278 ~1988
18129719362594398 ~1988
18129791362595838 ~1988
18130019362600398 ~1988
181300191450401539
18130103362602078 ~1988
181305371087832239 ~1989
18130811362616238 ~1988
18131051362621038 ~1988
181310771087864639 ~1989
18131159362623198 ~1988
18131219362624398 ~1988
181317471450539779 ~1989
18132071362641438 ~1988
18132239362644798 ~1988
18132371362647438 ~1988
181330071450640579 ~1989
18133331362666638 ~1988
Exponent Prime Factor Digits Year
181336933989412479 ~1990
181339571088037439 ~1989
18134111362682238 ~1988
18134243362684878 ~1988
181342971088057839 ~1989
18134317116059628910 ~1991
18134351362687038 ~1988
18134663362693278 ~1988
18134999362699998 ~1988
181350532538907439 ~1990
18135083362701678 ~1988
18135119362702398 ~1988
18135203362704078 ~1988
18136091362721838 ~1988
181363695440910719 ~1991
18136931362738638 ~1988
18137051362741038 ~1988
181374171450993379 ~1989
18137711362754238 ~1988
18138083362761678 ~1988
181381011088286079 ~1989
18138119362762398 ~1988
181385871451086979 ~1989
18138623362772478 ~1988
181387671451101379 ~1989
1353
GIMPS The Prime Pages FactorDb.com
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25-05-04