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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
300464833004648319 ~1991
300465712403725699 ~1991
30046721234364423910 ~1993
30046979600939598 ~1989
300473771802842639 ~1991
30048071600961438 ~1989
30048719600974398 ~1989
30048923600978478 ~1989
30049139600982798 ~1989
30049979600999598 ~1989
30050159601003198 ~1989
30050879601017598 ~1989
30051083601021678 ~1989
300513475409242479 ~1992
30052111246427310310 ~1993
30052679601053598 ~1989
30052871601057438 ~1989
300530331803181999 ~1991
30053063601061278 ~1989
300531313005313119 ~1991
30053531601070638 ~1989
30053591601071838 ~1989
30054023601080478 ~1989
30054191601083838 ~1989
30054239601084798 ~1989
Exponent Prime Factor Digits Year
300542593005425919 ~1991
30054263601085278 ~1989
30054613408742736910 ~1994
30054863601097278 ~1989
30055391601107838 ~1989
30055703601114078 ~1989
30055799601115998 ~1989
30056219601124398 ~1989
30056291601125838 ~1989
300565131803390799 ~1991
300565494207916879 ~1991
30058271601165438 ~1989
30058331601166638 ~1989
30058571601171438 ~1989
300586811803520879 ~1991
30059699601193998 ~1989
30059951601199038 ~1989
30061079601221598 ~1989
30061259601225198 ~1989
30061523601230478 ~1989
30061799601235998 ~1989
30061991601239838 ~1989
30062159601243198 ~1989
30062243601244878 ~1989
300622675411208079 ~1992
Exponent Prime Factor Digits Year
30062639601252798 ~1989
300629577215109699 ~1992
300631619620211539 ~1992
30063419601268398 ~1989
30063959601279198 ~1989
30064019601280398 ~1989
30064739601294798 ~1989
30064871601297438 ~1989
30065291601305838 ~1989
30065699601313998 ~1989
30065963601319278 ~1989
30066059601321198 ~1989
300661371803968239 ~1991
30066479601329598 ~1989
300664811803988879 ~1991
30069443601388878 ~1989
30070151601403038 ~1989
300704211804225279 ~1991
30070823601416478 ~1989
30070979601419598 ~1989
30071003601420078 ~1989
30072863601457278 ~1989
30073223601464478 ~1989
30073343601466878 ~1989
30073451601469038 ~1989
Exponent Prime Factor Digits Year
30073559601471198 ~1989
30073583601471678 ~1989
30073691601473838 ~1989
30074459601489198 ~1989
300745033007450319 ~1991
300749233007492319 ~1991
30075011601500238 ~1989
30075359601507198 ~1989
300753712406029699 ~1991
30076583601531678 ~1989
30076619601532398 ~1989
30076703601534078 ~1989
30077051601541038 ~1989
30077303601546078 ~1989
30077759601555198 ~1989
30077783601555678 ~1989
30078239601564798 ~1989
30078479601569598 ~1989
30078803601576078 ~1989
30079799601595998 ~1989
30079943601598878 ~1989
30080339601606798 ~1989
30080579601611598 ~1989
30080663601613278 ~1989
30081119601622398 ~1989
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25-07-08