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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
19380083387601678 ~1988
19380299387605998 ~1988
19380899387617998 ~1988
193811271550490179 ~1989
19381163387623278 ~1988
193813213101011379 ~1990
19381403387628078 ~1988
193814771162888639 ~1989
19381931387638638 ~1988
19382351387647038 ~1988
193824793488846239 ~1990
19382651387653038 ~1988
19383913104673130310 ~1991
19384019387680398 ~1988
19384019189963386310
193842291550738339 ~1989
193843671550749379 ~1989
19384583387691678 ~1988
193848171550785379 ~1989
193849799304789939 ~1991
19385039387700798 ~1988
19385279387705598 ~1988
19385351387707038 ~1988
19387103387742078 ~1988
19387451387749038 ~1988
Exponent Prime Factor Digits Year
19387583387751678 ~1988
193884311938843119 ~1990
19388723387774478 ~1988
19389059387781198 ~1988
19389119387782398 ~1988
19389131387782638 ~1988
19389203387784078 ~1988
193894492714522879 ~1990
193902971163417839 ~1989
19390799387815998 ~1988
19391171387823438 ~1988
19391363387827278 ~1988
19392239387844798 ~1988
193922871551382979 ~1989
19392491387849838 ~1988
19392731387854638 ~1988
19393019387860398 ~1988
19393463387869278 ~1988
19393859387877198 ~1988
19394159387883198 ~1988
19394351387887038 ~1988
19394723387894478 ~1988
19395023387900478 ~1988
19395539387910798 ~1988
193955815818674319 ~1991
Exponent Prime Factor Digits Year
19395731387914638 ~1988
19395791387915838 ~1988
19395839387916798 ~1988
19396271387925438 ~1988
193966731163800399 ~1989
19397123387942478 ~1988
193972631939726319 ~1990
19397363387947278 ~1988
19397783387955678 ~1988
19398023387960478 ~1988
193981331163887999 ~1989
19398191387963838 ~1988
193983299311197939 ~1991
193983473491702479 ~1990
193989617759584419 ~1991
193990991939909919 ~1990
19399151387983038 ~1988
19399379387987598 ~1988
19399559387991198 ~1988
193999371163996239 ~1989
19400039388000798 ~1988
19400351388007038 ~1988
19400429139683088910 ~1992
19400819388016398 ~1988
19401359388027198 ~1988
Exponent Prime Factor Digits Year
19402079388041598 ~1988
194021931164131599 ~1989
19402199388043998 ~1988
19402583388051678 ~1988
19403231388064638 ~1988
19403963388079278 ~1988
19404227143591279910 ~1992
19404251388085038 ~1988
19404299388085998 ~1988
19404383388087678 ~1988
194049617761984419 ~1991
19405343388106878 ~1988
194065731164394399 ~1989
194065732716920239
194066635045732399 ~1991
194072474657739299 ~1991
194073371164440239 ~1989
19407431388148638 ~1988
19407623388152478 ~1988
194077331164463999 ~1989
19407959388159198 ~1988
19408223388164478 ~1988
19408283388165678 ~1988
19408643388172878 ~1988
194087713105403379 ~1990
1392
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25-04-13