113 201 573 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 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	517000
B2 =	19090000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-07-04	ky0uraku	DEE1634FD0F65F5E	74938701	1	3

History

Date	User	Type	Result
2023-07-04	slandrum	CERT	PRP Certification CERT proof power = 9 Proof certified good
2023-07-04	ky0uraku	C-PRP	DEE1634FD0F65F5E PRP proof power = 9 PRP: Verified Proof certified good
2022-03-31	Ryan Propper	NF-PM1	B1=517000, B2=19090000
2020-10-25	Yves Bellefeuille	NF	no factor from 2^76 to 2^77
2020-07-21	RobertKazan	NF	no factor from 2^75 to 2^76
2020-07-21	RobertKazan	NF	no factor from 2^74 to 2^75
2020-07-21	RobertKazan	NF	no factor from 2^73 to 2^74
2020-04-22	SRBase	NF	no factor from 2^72 to 2^73
2019-01-05	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2015-02-25	seban	NF	no factor from 2^70 to 2^71
2015-02-22	Preben S	NF	no factor from 2^69 to 2^70
2015-02-19	Preben S	NF	no factor from 2^68 to 2^69
2015-02-10	SMoffat	NF	no factor from 2^67 to 2^68
2014-11-12	Robert Folz	NF	no factor from 2^66 to 2^67
2012-06-05	sasaki3	NF	no factor from 2^65 to 2^66
2010-09-28	kiwiboy	NF	no factor from 2^64 to 2^65
2010-07-01	1997rj7	NF	no factor from 2^63 to 2^64