133 396 583 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 2⁷⁷

P-1

B1 =	1076000
B2 =	778085550

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-10-10	Luke Durant	87B1971C14C2DF03	30285657	1	3

History

Date	User	Type	Result
2024-10-10	BigRich	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-10-10	Luke Durant	C-PRP	87B1971C14C2DF03 PRP proof power = 8 PRP: Verified Proof certified good
2024-08-28	Luke Durant	NF-PM1	B1=1076000, B2=778085550
2023-10-12	ANONYMOUS	NF	no factor from 2^76 to 2^77
2023-08-31	rushyn	NF	no factor from 2^75 to 2^76
2022-12-30	SRBase	NF	no factor from 2^74 to 2^75
2021-07-23	SRBase	NF	no factor from 2^73 to 2^74
2020-10-25	SRBase	NF	no factor from 2^72 to 2^73
2016-02-11	Ready4PrimeTime	NF	no factor from 2^71 to 2^72
2016-02-07	vichico	NF	no factor from 2^70 to 2^71
2016-01-22	Derek	NF	no factor from 2^69 to 2^70
2016-01-22	Derek	NF	no factor from 2^68 to 2^69
2016-01-21	Andreas_Truetsch	NF	no factor from 2^67 to 2^68
2015-01-22	Jan Kuipers	NF	no factor from 2^66 to 2^67
2012-10-21	Jens Pedersen	NF	no factor from 2^65 to 2^66
2010-11-19	Thomas Stork	NF	no factor from 2^64 to 2^65
2010-06-05	Mr-Plonk	NF	no factor from 2^63 to 2^64