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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
7175417574033378 ~1986
7175437430526238 ~1986
7175561574044898 ~1986
7175783143515678 ~1985
7175957430557438 ~1986
7176419143528398 ~1985
7176461574116898 ~1986
7176479143529598 ~1985
7176551143531038 ~1985
7176773430606398 ~1986
7176823717682318 ~1986
7177217430633038 ~1986
7177343143546878 ~1985
7177367574189378 ~1986
71774271866131039 ~1987
7177613430656798 ~1986
7177697574215778 ~1986
7177739143554798 ~1985
7177811143556238 ~1985
7178057430683438 ~1986
7178141430688478 ~1986
7178159143563198 ~1985
71781593589079519
7178401430704078 ~1986
7178411574272898 ~1986
Exp. Prime Factor Digits Year
7178459143569198 ~1985
7178477574278178 ~1986
7179071143581438 ~1985
7179239574339138 ~1986
7179377574350178 ~1986
7179461430767678 ~1986
7179493430769598 ~1986
7179803143596078 ~1985
7179911143598238 ~1985
7179937430796238 ~1986
7179971574397698 ~1986
7179983143599678 ~1985
7180091143601838 ~1985
7180259143605198 ~1985
7180319143606398 ~1985
71805431148886899 ~1987
71807411579763039 ~1987
7181039143620798 ~1985
71810633590531519 ~1988
7181099143621998 ~1985
7181171143623438 ~1985
7181203718120318 ~1986
7181309574504738 ~1986
7181423143628478 ~1985
71814233590711519
Exp. Prime Factor Digits Year
7181621430897278 ~1986
71818511149096179 ~1987
7181963143639278 ~1985
7181971718197118 ~1986
7181983718198318 ~1986
71821391292785039 ~1987
7182433430945998 ~1986
7182683143653678 ~1985
7182743143654878 ~1985
7182809574624738 ~1986
7182863143657278 ~1985
7182971143659438 ~1985
7183139143662798 ~1985
71832376752242799 ~1989
7183531718353118 ~1986
71837175603299279 ~1988
71839871724156899 ~1987
7184063143681278 ~1985
7184117431047038 ~1986
7184213147994787910 ~1989
7184351143687038 ~1985
7184363143687278 ~1985
7184399143687998 ~1985
7184399574751938
7184543143690878 ~1985
Exp. Prime Factor Digits Year
7184651574772098 ~1986
7184657431079438 ~1986
7184851120705496910 ~1989
7185179143703598 ~1985
7185187737200186310 ~1991
71852472442983999 ~1988
71854491724507779 ~1987
7185757431145438 ~1986
71858633018062479 ~1988
7185911143718238 ~1985
7186007311872703910 ~1990
71861331006058639 ~1987
71863031149808499 ~1987
71863073449427379 ~1988
7186331143726638 ~1985
7186391143727838 ~1985
7186477431188638 ~1986
7186679574934338 ~1986
7186799143735998 ~1985
7186919143738398 ~1985
7186973431218398 ~1986
7187077431224638 ~1986
7187189574975138 ~1986
7187281431236878 ~1986
7187399143747998 ~1985
873
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26-02-08