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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
6712921402775278 ~1985
6712933402775998 ~1985
6713017402781038 ~1985
67130391611129379 ~1987
6713717402823038 ~1985
6713921402835278 ~1985
6713921537113698
6714053402843198 ~1985
6714161402849678 ~1985
6714193402851598 ~1985
6714479134289598 ~1984
6714637402878238 ~1985
6714671134293438 ~1984
6714899134297998 ~1984
67150012551700399 ~1987
6715141402908478 ~1985
6715223134304478 ~1984
67152531611660739 ~1987
6715481402928878 ~1985
6715679134313598 ~1984
6716117402967038 ~1985
6716461402987678 ~1985
6716923671692318 ~1986
67169932149437779 ~1987
6717083134341678 ~1984
Exp. Prime Factor Digits Year
6717101403026078 ~1985
6717131537370498 ~1986
6717413403044798 ~1985
67175771612218499 ~1987
67177694299372179 ~1988
6718163134363278 ~1984
6718223134364478 ~1984
6718259134365198 ~1984
6718331134366638 ~1984
6718337537466978 ~1986
6718499134369998 ~1984
6719017403141038 ~1985
67190774703353919 ~1988
6719159134383198 ~1984
6719183134383678 ~1984
6719501403170078 ~1985
6720299134405998 ~1984
6720361403221678 ~1985
6720377403222638 ~1985
6720683134413678 ~1984
6720911134418238 ~1984
67210932688437219 ~1987
6721153403269198 ~1985
6721181403270878 ~1985
6721343134426878 ~1984
Exp. Prime Factor Digits Year
67213871209849679 ~1987
6721411672141118 ~1986
67214471075431539 ~1987
6721577403294638 ~1985
6721691134433838 ~1984
67217391209913039 ~1987
6721859537748738 ~1986
6722057403323438 ~1985
6722377403342638 ~1985
6722603134452078 ~1984
6722623672262318 ~1986
6722717537817378 ~1986
6722759134455198 ~1984
6722797403367838 ~1985
6722957403377438 ~1985
67239011075824179 ~1987
6723971134479438 ~1984
6724013424957621710 ~1990
6724307537944578 ~1986
6724379537950338 ~1986
6724463134489278 ~1984
6724631134492638 ~1984
6724759672475918 ~1986
6724859537988738 ~1986
6724889537991138 ~1986
Exp. Prime Factor Digits Year
6724933403495998 ~1985
6725021538001698 ~1986
6725063134501278 ~1984
6725249941534878 ~1986
6725347672534718 ~1986
6725531538042498 ~1986
6725911672591118 ~1986
6725951538076098 ~1986
6726107538088578 ~1986
6726179134523598 ~1984
6726623134532478 ~1984
6726793403607598 ~1985
6726821403609278 ~1985
6726991672699118 ~1986
6727079134541598 ~1984
6727207672720718 ~1986
6727379134547598 ~1984
67277832287446239 ~1987
6727793403667598 ~1985
6727943134558878 ~1984
67279436458825299
6728009538240738 ~1986
6728171134563438 ~1984
6728221403693278 ~1985
6728399134567998 ~1984
824
GIMPS The Prime Pages FactorDb.com
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25-09-07