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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
4445797266747838 ~1984
4445821266749278 ~1984
44458392578586639 ~1986
444593988918797 ~1983
4445941266756478 ~1984
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
4447753266865198 ~1984
44477534981483379
4447847355827778 ~1984
44478891334366719 ~1986
Exp. Prime Factor Digits Year
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
4450757267045438 ~1984
4451273623178238 ~1985
445148389029677 ~1983
445159189031837 ~1983
4451593267095598 ~1984
4451611445161118 ~1985
4451701712272178 ~1985
4451921267115278 ~1984
4451939356155138 ~1984
445213189042637 ~1983
4452143121098289710 ~1988
4452277267136638 ~1984
Exp. Prime Factor Digits Year
4452293267137598 ~1984
4452347356187778 ~1984
4452509623351278 ~1985
445259989051997 ~1983
4452761267165678 ~1984
44528291781131619 ~1986
4453231445323118 ~1985
445325989065197 ~1983
445333189066637 ~1983
4453331356266498
4453613267216798 ~1984
44536131425156179
4453621267217278 ~1984
445385989077197 ~1983
4453903712624498 ~1985
4453913267234798 ~1984
445391989078397 ~1983
445400389080077 ~1983
4454027356322178 ~1984
44540272227013519
4454059801730638 ~1985
44540831870714879 ~1986
4454501267270078 ~1984
445478389095677 ~1983
4454887801879678 ~1985
Exp. Prime Factor Digits Year
445490389098077 ~1983
4454977267298638 ~1984
44552033296850239 ~1987
445538389107677 ~1983
445561189112237 ~1983
44557791069386979 ~1986
4455793267347598 ~1984
44559014545019039 ~1987
445595989119197 ~1983
445622389124477 ~1983
4456349356507938 ~1984
445655989131197 ~1983
4456559356524738
4456589356527138 ~1984
445661989132397 ~1983
44567991426175699 ~1986
44569512585031599 ~1986
4457317267439038 ~1984
4457317713170738
4457357267441438 ~1984
445739989147997 ~1983
4457477267448638 ~1984
4457507356600578 ~1984
4457639802375038 ~1985
445775989155197 ~1983
638
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25-06-29