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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
4442909622007278 ~1985
444314388862877 ~1983
444320388864077 ~1983
4443391444339118 ~1985
4443421977552638 ~1985
4443553266613198 ~1984
444356388871277 ~1983
44437812133014899 ~1986
444386388877277 ~1983
4443973266638398 ~1984
4444087799935678 ~1985
444409188881837 ~1983
44441714710821279 ~1987
4444213266652798 ~1984
4444213977726878
4444217355537378 ~1984
4444397266663838 ~1984
44445191777807619 ~1986
4444591444459118 ~1985
4444697266681838 ~1984
444470388894077 ~1983
4444711711153778 ~1985
44447991422335699 ~1986
4444967355597378 ~1984
44451532400382639 ~1986
Exp. Prime Factor Digits Year
4445257266715438 ~1984
444545988909197 ~1983
44455691333670719 ~1986
4445797266747838 ~1984
4445821266749278 ~1984
44458392578586639 ~1987
444593988918797 ~1983
4445941266756478 ~1984
44460671067056099 ~1986
444613188922637 ~1983
44463171333895119 ~1986
44464191067140579 ~1986
4446553266793198 ~1984
4446679444667918 ~1985
4446787113837747310 ~1988
44468215336185219 ~1987
444689988937997 ~1983
444697188939437 ~1983
4447019355761538 ~1984
444703188940637 ~1983
4447117266827038 ~1984
4447171153872116710 ~1988
4447199355775938 ~1984
44472075336648419 ~1987
4447301266838078 ~1984
Exp. Prime Factor Digits Year
4447753266865198 ~1984
44477534981483379
4447847355827778 ~1984
44478891334366719 ~1986
4448117266887038 ~1984
4448537355882978 ~1984
4448539800737038 ~1985
4448933622850638 ~1985
444902388980477 ~1983
4449233622892638 ~1985
4449299800873838 ~1985
44493974271421139 ~1987
44495413203669539 ~1987
444989988997997 ~1983
445013989002797 ~1983
4450291445029118 ~1985
4450603445060318 ~1985
4450627712100338 ~1985
4450757267045438 ~1984
4451017712162738 ~1985
4451273623178238 ~1985
445148389029677 ~1983
445159189031837 ~1983
4451593267095598 ~1984
4451611445161118 ~1985
Exp. Prime Factor Digits Year
4451701712272178 ~1985
4451921267115278 ~1984
4451939356155138 ~1984
445213189042637 ~1983
4452143121098289710 ~1988
4452277267136638 ~1984
4452293267137598 ~1984
4452347356187778 ~1984
4452509623351278 ~1985
445259989051997 ~1983
44526477836658739 ~1988
4452751801495198 ~1985
4452761267165678 ~1984
44528291781131619 ~1986
4453231445323118 ~1985
445325989065197 ~1983
445333189066637 ~1983
4453331356266498
4453613267216798 ~1984
44536131425156179
4453621267217278 ~1984
445385989077197 ~1983
4453903712624498 ~1985
4453913267234798 ~1984
445391989078397 ~1983
665
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26-07-05