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Result:
status (?)	digits	number
P	8659 (show)	(91^4421-1)/90<8659> = 9284380742...21<8659>

More information

ECM

Primality proving
Proven by certificate
Size	4,338,805 bytes
Status	Verified
Created with	Primo (4.3.2 - LX64)
Uploaded by	Robert Gelhar
Date	May 26, 2020, 2:57 pm
Download	Download

Proof by N-1/N+1
N-1	(16.221% factored)
N+1	(0.18% factored)
Combined N-1/N+1-test	(16.401% factored)
Download helper file

Probable prime
Bases checked	2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 157
Check base (2-255)

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