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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
9155351183107038 ~1985
9155351732428098
9155411183108238 ~1985
9155543183110878 ~1985
9155759732460738 ~1987
9155897549353838 ~1987
9156341732507298 ~1987
9156551183131038 ~1985
9156611183132238 ~1985
9156887732550978 ~1987
9157139732571138 ~1987
9157451183149038 ~1985
9158003183160078 ~1985
9158161549489678 ~1987
9158197549491838 ~1987
9158231732658498 ~1987
91587172198092099 ~1988
9158783183175678 ~1985
9158993549539598 ~1987
91592471465479539 ~1988
9159431183188638 ~1985
9159487915948718 ~1987
9159599183191998 ~1985
91598591648774639 ~1988
9160031183200638 ~1985
Exp. Prime Factor Digits Year
9160357549621438 ~1987
9160379732830338 ~1987
9160421549625278 ~1987
9160439183208798 ~1985
9160483916048318 ~1987
9160499732839938 ~1987
9160643183212878 ~1985
9160661549639678 ~1987
9160721732857698 ~1987
91611673664466819 ~1989
9161171732893698 ~1987
9161261732900898 ~1987
91615436596310979 ~1989
9161597549695838 ~1987
9161729732938338 ~1987
9161897549713838 ~1987
9162037549722238 ~1987
9162563183251278 ~1985
9162653549759198 ~1987
9163079183261598 ~1985
9163403183268078 ~1985
9163559183271198 ~1985
9164191916419118 ~1987
9164333549859998 ~1987
9164417733153378 ~1987
Exp. Prime Factor Digits Year
9164471183289438 ~1985
91646818798093779 ~1989
9164843183296878 ~1985
9164951183299038 ~1985
9165083183301678 ~1985
9165179183303598 ~1985
9165257549915438 ~1987
9165323183306478 ~1985
9165683183313678 ~1985
9165797549947838 ~1987
9165833549949998 ~1987
9165917733273378 ~1987
9166211183324238 ~1985
9166499183329998 ~1985
91665171283312399 ~1987
9166763183335278 ~1985
9166823183336478 ~1985
9166931183338638 ~1985
91669672200072099 ~1988
9166973550018398 ~1987
91671671466746739 ~1988
9167371916737118 ~1987
9167441550046478 ~1987
9167531733402498 ~1987
91675311650155599
Exp. Prime Factor Digits Year
9167771183355438 ~1985
9168011183360238 ~1985
9168077550084638 ~1987
9168217550093038 ~1987
9168251183365038 ~1985
9168623183372478 ~1985
9168671183373438 ~1985
9169063916906318 ~1987
9169529733562338 ~1987
9169619183392398 ~1985
9170363183407278 ~1985
9170417733633378 ~1987
9170549733643938 ~1987
91708092200994179 ~1988
9171131183422638 ~1985
9171307917130718 ~1987
9171731183434638 ~1985
9171881550312878 ~1987
9171907917190718 ~1987
9171971183439438 ~1985
91720574952910799 ~1989
9172133550327998 ~1987
9172211183444238 ~1985
9172343183446878 ~1985
9172451183449038 ~1985
1011
GIMPS The Prime Pages FactorDb.com
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26-03-08