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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
6177599123551998 ~1984
6177617370657038 ~1985
61779377413524419 ~1988
6178339617833918 ~1986
61783991482815779 ~1987
61784333830628479 ~1988
6178639617863918 ~1986
6178691494295298 ~1985
6178937370736238 ~1985
6179021123580420110 ~1989
6179113370746798 ~1985
6179197370751838 ~1985
6179399123587998 ~1984
6179417865118398 ~1986
6179779159438298310 ~1989
6179861370791678 ~1985
6179903123598078 ~1984
6180001370800078 ~1985
6180521370831278 ~1985
6180599123611998 ~1984
6180617122376216710 ~1989
6180731123614638 ~1984
6180737370844238 ~1985
6180737494458978
6180751618075118 ~1986
Exp. Prime Factor Digits Year
6180773865308238 ~1986
6181079123621598 ~1984
6181271494501698 ~1985
6181361494508898 ~1985
6181391123627838 ~1984
6181391174315226310
6181739123634798 ~1984
61819371483664899 ~1987
6181943123638878 ~1984
6182243123644878 ~1984
61824591112842639 ~1986
6182537494602978 ~1985
6182783123655678 ~1984
6183011123660238 ~1984
6183011494640898
6183217370993038 ~1985
6183361989337778 ~1986
61833715565033919 ~1988
6183431123668638 ~1984
6183581494686498 ~1985
6183839123676798 ~1984
6183893371033598 ~1985
6184349494747938 ~1985
6184463123689278 ~1984
6184601494768098 ~1985
Exp. Prime Factor Digits Year
6184637371078238 ~1985
6184679494774338 ~1985
6184681371080878 ~1985
6184933371095998 ~1985
6185099494807938 ~1985
6185189494815138 ~1985
6185261494820898 ~1985
6185303123706078 ~1984
6185537865975198 ~1986
6185759123715198 ~1984
6185831123716638 ~1984
6186083123721678 ~1984
6186263123725278 ~1984
6186359494908738 ~1985
6186503123730078 ~1984
61866191484788579 ~1987
6187367494989378 ~1985
6187393371243598 ~1985
6187477371248638 ~1985
6187637866269198 ~1986
6187661371259678 ~1985
61877712598863839 ~1987
6187799123755998 ~1984
6187859123757198 ~1984
6187871123757438 ~1984
Exp. Prime Factor Digits Year
6188009866321278 ~1986
6188059618805918 ~1986
6188297371297838 ~1985
6188401990144178 ~1986
6188531123770638 ~1984
6188789157195240710 ~1989
6189077371344638 ~1985
6189083123781678 ~1984
6189251123785038 ~1984
6189299123785998 ~1984
6189539123790798 ~1984
6189593371375598 ~1985
6189671123793438 ~1984
6189727618972718 ~1986
6189983123799678 ~1984
6190259123805198 ~1984
6190319123806398 ~1984
6190423619042318 ~1986
61904691857140719 ~1987
6190799123815998 ~1984
6190991123819838 ~1984
6191279495302338 ~1985
6191411123828238 ~1984
6191461371487678 ~1985
6191491990638578 ~1986
769
GIMPS The Prime Pages FactorDb.com
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25-04-13