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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
469586393917277 ~1983
4695919469591918 ~1985
4695947375675778 ~1985
469603193920637 ~1983
4696093281765598 ~1984
4696177281770638 ~1984
469627193925437 ~1983
46963271127118499 ~1986
469637993927597 ~1983
46966391972588399 ~1986
46966911221139679 ~1986
4696711469671118 ~1985
469682393936477 ~1983
4697081281824878 ~1984
4697141375771298 ~1985
4697177281830638 ~1984
4697257281835438 ~1984
4697377281842638 ~1984
4698007469800718 ~1985
469805993961197 ~1983
469829993965997 ~1983
4698497281909838 ~1984
4698521375881698 ~1985
4698557375884578 ~1985
469856393971277 ~1983
Exp. Prime Factor Digits Year
4698773281926398 ~1984
469877993975597 ~1983
469909193981837 ~1983
469915193983037 ~1983
469928393985677 ~1983
469939193987837 ~1983
4699571845922798 ~1985
469961993992397 ~1983
469999193999837 ~1983
470009994001997 ~1983
470012394002477 ~1983
470023194004637 ~1983
470060394012077 ~1983
4700743752118898 ~1985
47008071222209839 ~1986
4700833282049998 ~1984
470093994018797 ~1983
4700957376076578 ~1985
470107194021437 ~1983
4701071376085698
470114394022877 ~1983
47012531034275679 ~1986
470131194026237 ~1983
4701311846235998
47015891128381379 ~1986
Exp. Prime Factor Digits Year
4701601282096078 ~1984
470173194034637 ~1983
470174394034877 ~1983
47018994889974979 ~1987
4701929376154338 ~1985
470207994041597 ~1983
47021697147296899 ~1988
470228394045677 ~1983
4702337282140238 ~1984
4702361282141678 ~1984
47023613385699939
470240394048077 ~1983
4702409376192738 ~1985
4702627470262718 ~1985
4702777282166638 ~1984
470312394062477 ~1983
47036392351819519 ~1987
470371194074237 ~1983
470381994076397 ~1983
4703939376315138 ~1985
470426394085277 ~1983
4704353282261198 ~1984
4704437658621198 ~1985
470465994093197 ~1983
4704773282286398 ~1984
Exp. Prime Factor Digits Year
47047793387440899 ~1987
47047794610683439
470519994103997 ~1983
470539194107837 ~1983
470543994108797 ~1983
470545194109037 ~1983
4705541376443298 ~1985
4705853658819438 ~1985
4705997376479778 ~1985
4706083752973298 ~1985
470629194125837 ~1983
4706417376513378 ~1985
4706473282388398 ~1984
4706531376522498 ~1985
4706657376532578 ~1985
4706711376536898 ~1985
470693994138797 ~1983
4706993282419598 ~1984
470702394140477 ~1983
470723994144797 ~1983
47072811788766799 ~1986
47073591506354899 ~1986
47075332542067839 ~1987
470777994155597 ~1983
470821194164237 ~1983
653
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25-04-13