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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
458347191669437 ~1983
4583801275028078 ~1984
45838013667040819
4583861275031678 ~1984
4583941275036478 ~1984
45839412200291699
458417991683597 ~1983
4584179366734338
4584247458424718 ~1985
458432391686477 ~1983
4584389366751138 ~1984
45843891742067839
4584403458440318 ~1985
4584527825214878 ~1985
45846911833876419 ~1986
45847734676468479 ~1987
4584823202649176710 ~1989
4584901275094078 ~1984
4584913275094798 ~1984
458504391700877 ~1983
45852491375574719 ~1986
4585387825369678 ~1985
4585439366835138 ~1984
4585459458545918 ~1985
458546391709277 ~1983
Exp. Prime Factor Digits Year
4585697366855778 ~1984
4585769642007678 ~1985
4585793642011038 ~1985
45858111192310879 ~1986
4585831458583118 ~1985
4585877275152638 ~1984
458594391718877 ~1983
458599191719837 ~1983
4586297275177838 ~1984
458633991726797 ~1983
4586831366946498 ~1984
4586987825657678 ~1985
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
Exp. Prime Factor Digits Year
4588483734157298 ~1985
4588621275317278 ~1984
45886215139255539
4588819458881918 ~1985
4588957275337438 ~1984
45890831835633219 ~1986
458915991783197 ~1983
4589161275349678 ~1984
458921991784397 ~1983
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
Exp. Prime Factor Digits Year
4591387459138718 ~1985
459140391828077 ~1983
459145191829037 ~1983
459152391830477 ~1983
459203991840797 ~1983
4592059459205918 ~1985
4592117275527038 ~1984
459218391843677 ~1983
4592257734761138 ~1985
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
645
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25-05-04