113 489 371 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁸

TF target 2⁷⁶

P-1

B1 =	485000
B2 =	17165000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-01-29	aas236_tpu	85EBE9E4141934F2	78025218	1	3

History

Date	User	Type	Result
2023-01-31	Remi Lucet	CERT	PRP Certification CERT proof power = 8 Proof certified good
2023-01-29	aas236_tpu	C-PRP	85EBE9E4141934F2 PRP proof power = 8 PRP: Verified Proof certified good
2022-04-02	Ryan Propper	NF-PM1	B1=485000, B2=17165000
2021-04-19	arpcar	NF	no factor from 2^77 to 2^78
2021-01-21	arpcar	NF	no factor from 2^76 to 2^77
2021-01-18	arpcar	NF	no factor from 2^75 to 2^76
2021-01-17	arpcar	NF	no factor from 2^74 to 2^75
2020-08-26	TheGazMan	NF	no factor from 2^73 to 2^74
2013-10-15	planetclown	NF	no factor from 2^72 to 2^73
2013-10-15	planetclown	NF	no factor from 2^71 to 2^72
2013-10-15	planetclown	NF	no factor from 2^70 to 2^71
2013-10-15	planetclown	NF	no factor from 2^69 to 2^70
2013-10-15	planetclown	NF	no factor from 2^68 to 2^69
2013-10-15	planetclown	NF	no factor from 2^66 to 2^68
2012-06-06	subgenius	NF	no factor from 2^65 to 2^66
2010-09-29	monst	NF	no factor from 2^64 to 2^65
2010-06-22	1997rj7	NF	no factor from 2^63 to 2^64