222 000 277 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 2⁷⁹

TF target 2⁷⁹

P-1

B1 =	1145000
B2 =	80654730

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-08-29	Mirra	115B67ABB5AC6F92	30780564	1	3

History

Date	User	Type	Result
2023-08-29	curtisc	CERT	PRP Certification CERT proof power = 10 Proof certified good
2023-08-29	Mirra	C-PRP	115B67ABB5AC6F92 PRP proof power = 10 PRP: Verified Proof certified good
2023-07-26	Mirra	NF-PM1	B1=1145000, B2=80654730
2023-07-25	Mirra	NF	no factor from 2^78 to 2^79
2023-07-25	Mirra	NF	no factor from 2^77 to 2^78
2020-02-21	mikr	NF	no factor from 2^76 to 2^77
2020-02-21	mikr	NF	no factor from 2^75 to 2^76
2020-02-21	mikr	NF	no factor from 2^74 to 2^75
2020-02-21	mikr	NF	no factor from 2^73 to 2^74
2020-02-21	mikr	NF	no factor from 2^72 to 2^73
2018-08-13	Zenghui	NF	no factor from 2^71 to 2^72
2011-06-10	Ungelovende	NF	no factor from 2^70 to 2^71
2011-06-10	Ungelovende	NF	no factor from 2^69 to 2^70
2011-06-10	Ungelovende	NF	no factor from 2^68 to 2^69
2011-06-10	Ungelovende	NF	no factor from 2^64 to 2^68
2010-05-16	Architects Cubed	NF	no factor from 2^63 to 2^64