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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.
Exponent Prime Factor Digits Year
15348121920887278 ~1988
15348191306963838 ~1987
15348419306968398 ~1987
15348691110510575310 ~1991
153497991227983939 ~1989
153498012455968179 ~1989
153502671228021379 ~1989
15350963307019278 ~1987
15351071307021438 ~1987
153512574605377119 ~1990
15351283245620528110 ~1992
15351383307027678 ~1987
15351491307029838 ~1987
15351659307033198 ~1987
15351923307038478 ~1987
15351997921119838 ~1988
15352279125888687910 ~1991
15352433921145998 ~1988
15352451307049038 ~1987
15352679307053598 ~1987
15353399307067998 ~1987
15353497921209838 ~1988
15354233921253998 ~1988
15354431307088638 ~1987
15354851307097038 ~1987
Exponent Prime Factor Digits Year
15354901921294078 ~1988
15355019307100398 ~1987
15355031307100638 ~1987
153555199827532179 ~1991
15355523307110478 ~1987
15355979307119598 ~1987
15356039307120798 ~1987
15356101921366078 ~1988
153561378292313999 ~1991
15356339307126798 ~1987
15357131307142638 ~1987
15357311307146238 ~1987
15357473921448398 ~1988
15357731307154638 ~1987
15357961921477678 ~1988
153579778293307599 ~1991
15358201921492078 ~1988
15358391307167838 ~1987
15358451101365776710 ~1991
15358523307170478 ~1987
15358741921524478 ~1988
15358991307179838 ~1987
15359303307186078 ~1987
153593711535937119 ~1989
15359651307193038 ~1987
Exponent Prime Factor Digits Year
15359843307196878 ~1987
15360071307201438 ~1987
15360263307205278 ~1987
15360431307208638 ~1987
15360899307217998 ~1987
15360901921654078 ~1988
15361103307222078 ~1987
15361331307226638 ~1987
15361403307228078 ~1987
153614871228918979 ~1989
153616031536160319 ~1989
153621172150696399 ~1989
15362411307248238 ~1987
153627173687052099 ~1990
15362801921768078 ~1988
15362939307258798 ~1987
15362981921778878 ~1988
15363311307266238 ~1987
15363773921826398 ~1988
15363791307275838 ~1987
153641473687395299 ~1990
15364571307291438 ~1987
15365159307303198 ~1987
15365681921940878 ~1988
15366097921965838 ~1988
Exponent Prime Factor Digits Year
15366551307331038 ~1987
15366959307339198 ~1987
15367091307341838 ~1987
15367343307346878 ~1987
15367463307349278 ~1987
15367679307353598 ~1987
15367739307354798 ~1987
15367799307355998 ~1987
15367811307356238 ~1987
15368123307362478 ~1987
15368351307367038 ~1987
15369131307382638 ~1987
153691631536916319 ~1989
153695391229563139 ~1989
15370543209039384910 ~1992
15370919307418398 ~1987
153716691229733539 ~1989
15371903307438078 ~1987
15371963307439278 ~1987
153721032459536499 ~1989
15372179307443598 ~1987
15372323307446478 ~1987
153725571229804579 ~1989
15373199307463998 ~1987
15373297922397838 ~1988
1292
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25-10-20