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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
4587019458701918 ~1985
4587137642199198 ~1985
4587211458721118 ~1985
4587269366981538 ~1984
458743191748637 ~1983
4587437366994978 ~1984
458749191749837 ~1983
4587647367011778 ~1984
4587703458770318 ~1985
45877571101061699 ~1986
4587881367030498 ~1984
4587967458796718 ~1985
458827191765437 ~1983
45883572110644239 ~1986
4588483734157298 ~1985
4588621275317278 ~1984
45886215139255539
4588819458881918 ~1985
4588957275337438 ~1984
45890831835633219 ~1986
4589131826043598 ~1985
458915991783197 ~1983
45891595506990819
4589161275349678 ~1984
458921991784397 ~1983
Exp. Prime Factor Digits Year
4589441275366478 ~1984
4589633642548638 ~1985
4589681367174498 ~1984
45897913029262079 ~1987
4589933275395998 ~1984
459025191805037 ~1983
4590281275416878 ~1984
4590373275422398 ~1984
4590437275426238 ~1984
4590557275433438 ~1984
459056391811277 ~1983
4590877275452638 ~1984
4590877734540338
45911213581074399 ~1987
45911631469172179 ~1986
459131991826397 ~1983
4591387459138718 ~1985
459140391828077 ~1983
459145191829037 ~1983
459152391830477 ~1983
459203991840797 ~1983
4592059459205918 ~1985
4592117275527038 ~1984
459218391843677 ~1983
4592257734761138 ~1985
Exp. Prime Factor Digits Year
45923596337455439 ~1988
459251991850397 ~1983
459254391850877 ~1983
4592563459256318 ~1985
459257991851597 ~1983
4592657275559438 ~1984
4592657642971998
459272391854477 ~1983
4592789642990478 ~1985
4592899459289918 ~1985
4593089367447138 ~1984
4593089643032478
4593157275589438 ~1984
4593181734908978 ~1985
4593293643061038 ~1985
459329991865997 ~1983
4593499459349918 ~1985
45934991102439779
459362391872477 ~1983
4593679459367918 ~1985
459386391877277 ~1983
459392391878477 ~1983
45942231102613539 ~1986
4594277275656638 ~1984
4594277367542178
Exp. Prime Factor Digits Year
45943571378307119 ~1986
459445191889037 ~1983
459451191890237 ~1983
459455991891197 ~1983
459461991892397 ~1983
4594721367577698 ~1985
459476391895277 ~1983
45947691746012239 ~1986
459482391896477 ~1983
459488391897677 ~1983
45949991929899599 ~1986
459503991900797 ~1983
459518391903677 ~1983
459524391904877 ~1983
4595527459552718 ~1985
4595537643375198 ~1985
4595713275742798 ~1984
4595947459594718 ~1985
4595951827271198 ~1985
4596283735405298 ~1985
45963491011196799 ~1986
45965695056225919 ~1987
4596577275794638 ~1984
4596617275797038 ~1984
4596653275799198 ~1984
664
GIMPS The Prime Pages FactorDb.com
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25-12-14