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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
4063273243796398 ~1984
4063487731427678 ~1985
4063517243811038 ~1984
4063601243816078 ~1984
4063603406360318 ~1984
4063781325102498 ~1984
4063793568931038 ~1985
406385981277197 ~1983
4063859325108738
4063877243832638 ~1984
40639095852028979 ~1987
406393181278637 ~1983
4064023650243698 ~1985
4064237243854238 ~1984
4064299406429918 ~1984
4064311731575998 ~1985
4064407650305138 ~1985
4064477325158178 ~1984
4064477569026798
406451981290397 ~1983
4064519325161538
4064681325174498 ~1984
40648311056856079 ~1985
4065001243900078 ~1984
4065073243904398 ~1984
Exp. Prime Factor Digits Year
4065571731802798 ~1985
406573181314637 ~1983
40657313659157919
4065857569219998 ~1985
406637981327597 ~1983
4066379325310338
4066661243999678 ~1984
406669181333837 ~1983
4066709325336738 ~1984
4066759406675918 ~1984
40667891220036719 ~1986
4066981244018878 ~1984
4067027976086498 ~1985
4067039732067038 ~1985
4067207325376578 ~1984
4067257650761138 ~1985
4067263406726318 ~1984
4067291325383298 ~1984
406736381347277 ~1983
4067489569448478 ~1985
406757981351597 ~1983
4067597244055838 ~1984
406763981352797 ~1983
4067737244064238 ~1984
406796381359277 ~1983
Exp. Prime Factor Digits Year
4067971650875378 ~1985
4068041325443298 ~1984
40682712359597199 ~1986
4068343650934898 ~1985
406850381370077 ~1983
4068511650961778 ~1985
406856381371277 ~1983
406861181372237 ~1983
40686111708816639
406873181374637 ~1983
40688771627550819 ~1986
40689431666639052911 ~1991
406895981379197 ~1983
4068979406897918 ~1984
4068989325519138 ~1984
4069027406902718 ~1984
4069073569670238 ~1985
406913981382797 ~1983
4069271325541698 ~1984
4069327406932718 ~1984
406934381386877 ~1983
4069433569720638 ~1985
4069489895287598 ~1985
406967981393597 ~1983
40696876267317999 ~1987
Exp. Prime Factor Digits Year
4069699406969918 ~1984
4069757244185438 ~1984
4069787325582978 ~1984
4069837244190238 ~1984
4069937325594978 ~1984
406999181399837 ~1983
407005181401037 ~1983
407021981404397 ~1983
40702192930557699
4070321244219278 ~1984
40703831383930239 ~1986
407051981410397 ~1983
407054381410877 ~1983
407071181414237 ~1983
4070861325668898 ~1984
4070947977027298 ~1985
4071031407103118 ~1984
4071047325683778 ~1984
4071497570009598 ~1985
407165981433197 ~1983
4071659325732738
40717611221528319 ~1986
4071869325749538 ~1984
4071877244312638 ~1984
4071917570068398 ~1985
623
GIMPS The Prime Pages FactorDb.com
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26-03-29