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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
18213911131140159310
182142431821424319 ~1989
182143637285745219 ~1991
182144811457158499 ~1989
182145171092871039 ~1989
182147472914359539 ~1990
18214799364295998 ~1988
182157771092946639 ~1989
18215843364316878 ~1988
18216059364321198 ~1988
18216311364326238 ~1988
18216323364326478 ~1988
182173491457387939 ~1989
18217631364352638 ~1988
18217691364353838 ~1988
18219671364393438 ~1988
18219791364395838 ~1988
18219923364398478 ~1988
182199591457596739 ~1989
18220463364409278 ~1988
182205071822050719 ~1989
182213411093280479 ~1989
18221699364433998 ~1988
18221711364434238 ~1988
182226131093356799 ~1989
Exponent Prime Factor Digits Year
18222959364459198 ~1988
18223559364471198 ~1988
18223703364474078 ~1988
18223763364475278 ~1988
182240331093441999 ~1989
18224243364484878 ~1988
18224639364492798 ~1988
18225059364501198 ~1988
182250911822509119 ~1989
18225323364506478 ~1988
18225491364509838 ~1988
18225611364512238 ~1988
182261391458091139 ~1989
18227003364540078 ~1988
182272911458183299 ~1989
18227483364549678 ~1988
182276411093658479 ~1989
18227999364559998 ~1988
18228299364565998 ~1988
182283171458265379 ~1989
18228659364573198 ~1988
182289411458315299 ~1989
182289711458317699 ~1989
18229019364580398 ~1988
18229583364591678 ~1988
Exponent Prime Factor Digits Year
18229619364592398 ~1988
18229691364593838 ~1988
18229943364598878 ~1988
182304891458439139 ~1989
182309112916945779 ~1990
18230939364618798 ~1988
182318211093909279 ~1989
182318811093912879 ~1989
18231943204197761710 ~1992
18232163364643278 ~1988
18232463364649278 ~1988
18232631364652638 ~1988
182326379845623999 ~1991
18232943364658878 ~1988
18233003364660078 ~1988
182331471458651779 ~1989
18233291364665838 ~1988
18233339364666798 ~1988
18233543364670878 ~1988
182336171094017039 ~1989
182338611458708899 ~1989
182340711458725699 ~1989
18234263364685278 ~1988
18234383364687678 ~1988
182348711823487119 ~1989
Exponent Prime Factor Digits Year
18234971364699438 ~1988
18235163364703278 ~1988
182355411094132479 ~1989
18235571364711438 ~1988
18235643364712878 ~1988
18235799364715998 ~1988
182363476200357999 ~1991
18236363364727278 ~1988
18236891364737838 ~1988
18238079364761598 ~1988
18238691364773838 ~1988
18239099364781998 ~1988
182391411459131299 ~1989
18239843364796878 ~1988
18239891364797838 ~1988
182401071459208579 ~1989
18240119364802398 ~1988
18240143364802878 ~1988
18240179364803598 ~1988
18240419364808398 ~1988
18240479364809598 ~1988
182404794377714979
182406411094438479 ~1989
18240899364817998 ~1988
18241031364820638 ~1988
1351
GIMPS The Prime Pages FactorDb.com
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25-04-13