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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
470965194193037 ~1983
470972394194477 ~1983
4709759376780738 ~1985
470987994197597 ~1983
4709981282598878 ~1984
4710103471010318 ~1985
4710113282606798 ~1984
4710187753629938 ~1985
47102272355113519 ~1987
4710283471028318 ~1985
4710317376825378 ~1985
471037194207437 ~1983
4710599376847938 ~1985
47107732638032899 ~1987
4710961282657678 ~1984
4711121282667278 ~1984
4711367376909378 ~1985
471137994227597 ~1983
471139194227837 ~1983
4711517659612398 ~1985
4711537282692238 ~1984
47118314240647919 ~1987
471191994238397 ~1983
47122491130939779 ~1986
4712537282752238 ~1984
Exp. Prime Factor Digits Year
471278394255677 ~1983
4712947471294718 ~1985
47134619709729679 ~1988
471356394271277 ~1983
4713659848458638 ~1985
4713853282831198 ~1984
47138571414157119 ~1986
4713871471387118 ~1985
4713901282834078 ~1984
471398394279677 ~1983
4714181282850878 ~1984
47141831602822239 ~1986
471443994288797 ~1983
4714481377158498 ~1985
4714537754325938 ~1985
4714901282894078 ~1984
4714979377198338 ~1985
4715047471504718 ~1985
4715077282904638 ~1984
47150772263236979
471509994301997 ~1983
4715111377208898 ~1985
4715159377212738 ~1985
4715177282910638 ~1984
4715203471520318 ~1985
Exp. Prime Factor Digits Year
471521994304397 ~1983
4715653282939198 ~1984
4715657660191998 ~1985
471569994313997 ~1983
471620394324077 ~1983
4716223471622318 ~1985
47162631980830479 ~1986
4716391471639118 ~1985
4716407377312578 ~1985
471667194333437 ~1983
471683994336797 ~1983
47168392358419519
471698394339677 ~1983
4717087754733938 ~1985
471710394342077 ~1983
47171031509472979
4717157377372578 ~1985
4717253660415438 ~1985
471728394345677 ~1983
4717367105669020910 ~1988
4717511377400898 ~1985
47175131132203139 ~1986
4717597283055838 ~1984
471763194352637 ~1983
4717717283063038 ~1984
Exp. Prime Factor Digits Year
4717841377427298 ~1985
4718071754891378 ~1985
4718093283085598 ~1984
471818394363677 ~1983
4718683471868318 ~1985
471869994373997 ~1983
471872394374477 ~1983
4718773283126398 ~1984
471899994379997 ~1983
4719041377523298 ~1985
4719061755049778 ~1985
4719133283147998 ~1984
471931194386237 ~1983
4719661283179678 ~1984
4719677660754798 ~1985
4719731377578498 ~1985
4719821377585698 ~1985
471983994396797 ~1983
4720097377607778 ~1985
4720097761823655910
4720147472014718 ~1985
4720159472015918 ~1985
472022394404477 ~1983
4720229377618338 ~1985
4720273283216398 ~1984
673
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25-11-17