152 232 401 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 2⁷⁶

TF target 2⁷⁷

P-1

B1 =	781000
B2 =	37808610

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-11-26	Chris Rycroft	73141F32C18C48D1	41359790	1	3

History

Date	User	Type	Result
2024-11-27	proski	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-11-26	Chris Rycroft	C-PRP	73141F32C18C48D1 PRP proof power = 8 PRP: Verified Proof certified good
2024-09-11	Ryan Propper	NF-PM1	B1=781000, B2=37808610
2024-08-04	SRBase	NF	no factor from 2^75 to 2^76
2023-02-08	SRBase	NF	no factor from 2^74 to 2^75
2021-11-14	SRBase	NF	no factor from 2^73 to 2^74
2017-11-29	Naytan	NF	no factor from 2^71 to 2^72
2017-11-05	Oliver Kruse	NF	no factor from 2^72 to 2^73
2017-10-31	jibo	NF	no factor from 2^71 to 2^72
2017-04-26	megavink	NF	no factor from 2^70 to 2^71
2017-04-05	trebor	NF	no factor from 2^69 to 2^70
2017-02-24	Rolf Larsen	NF	no factor from 2^68 to 2^69
2016-04-30	RDbrvn	NF	no factor from 2^67 to 2^68
2015-03-29	tsc	NF	no factor from 2^66 to 2^67
2013-01-21	Charles A. Morris	NF	no factor from 2^65 to 2^66
2011-01-16	Mr-Plonk	NF	no factor from 2^64 to 2^65
2010-07-05	1997rj7	NF	no factor from 2^63 to 2^64