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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
5421197433695778 ~1985
5421287433702978 ~1985
5421323108426478 ~1984
5421371108427438 ~1984
5421407433712578 ~1985
5421421325285278 ~1985
5421421867427378
5421599108431998 ~1984
5421751975915198 ~1986
5421803108436078 ~1984
5422013325320798 ~1985
5422019108440398 ~1984
5422051542205118 ~1985
5422493325349598 ~1985
5422517433801378 ~1985
5422553325353198 ~1985
5422663867626098 ~1986
5422673759174238 ~1986
5423003108460078 ~1984
54233172494725839 ~1987
54236895098267679 ~1988
5423771433901698 ~1985
5423773325426398 ~1985
5423819433905538 ~1985
5423843108476878 ~1984
Exp. Prime Factor Digits Year
54238571301725699 ~1986
5424103867856498 ~1986
5424157325449438 ~1985
54245633905685379 ~1987
5424641325478478 ~1985
5424667542466718 ~1985
54246916075653939 ~1988
5424961325497678 ~1985
5424983108499678 ~1984
5425019108500398 ~1984
5425187434014978 ~1985
5425223108504478 ~1984
54252491193554799 ~1986
5425333325519998 ~1985
5425339976561038 ~1986
5425513868082098 ~1986
5425757434060578 ~1985
5425993325559598 ~1985
5426467542646718 ~1985
5426527542652718 ~1985
5426899976841838 ~1986
5426917868306738 ~1986
54269172170766819
5427017434161378 ~1985
5427283542728318 ~1985
Exp. Prime Factor Digits Year
5427431108548638 ~1984
5427473325648398 ~1985
54275572930880799 ~1987
5427671108553438 ~1984
5427809759893278 ~1986
5427833759896638 ~1986
5427899108557998 ~1984
5427923108558478 ~1984
5428387542838718 ~1985
5428561325713678 ~1985
5428571434285698 ~1985
5428673760014238 ~1986
5428679108573598 ~1984
54287832171513219 ~1987
5429071542907118 ~1985
54291074886196319 ~1988
54291471302995299 ~1986
5429321434345698 ~1985
5429401325764078 ~1985
5429731542973118 ~1985
5429807434384578 ~1985
5430059108601198 ~1984
5430317434425378 ~1985
54303491303283779 ~1986
5430443108608878 ~1984
Exp. Prime Factor Digits Year
5430791108615838 ~1984
5430907543090718 ~1985
5430959108619198 ~1984
5430961325857678 ~1985
5431037325862238 ~1985
5431121434489698 ~1985
5431277325876638 ~1985
5431799108635998 ~1984
5431819543181918 ~1985
5431949434555938 ~1985
5432087434566978 ~1985
5432351108647038 ~1984
5432351977823198
5432417434593378 ~1985
5432579434606338 ~1985
5432597760563598 ~1986
5432621325957278 ~1985
5433101325986078 ~1985
5433137760639198 ~1986
5433293325997598 ~1985
5433343543334318 ~1985
5433419108668398 ~1984
5433431434674498 ~1985
5433479108669598 ~1984
5433517326011038 ~1985
744
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26-04-05