133 097 581 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 =	989000
B2 =	378350700

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-10-09	Luke Durant	5B43449ECBB2048A	128808261	1	3

History

Date	User	Type	Result
2024-10-09	Luke Durant	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-10-09	Luke Durant	C-PRP	5B43449ECBB2048A PRP proof power = 8 PRP: Verified Proof certified good
2024-09-02	PPed72	NF-PM1	B1=989000, B2=378350700
2023-09-23	Brent Goebel	NF	no factor from 2^76 to 2^77
2023-08-25	Brent Goebel	NF	no factor from 2^75 to 2^76
2023-01-03	SRBase	NF	no factor from 2^74 to 2^75
2015-12-30	taffa	NF	no factor from 2^73 to 2^74
2015-12-30	taffa	NF	no factor from 2^72 to 2^73
2015-12-30	taffa	NF	no factor from 2^71 to 2^72
2015-12-30	taffa	NF	no factor from 2^70 to 2^71
2015-12-30	taffa	NF	no factor from 2^69 to 2^70
2015-12-30	taffa	NF	no factor from 2^68 to 2^69
2015-12-29	C.D.B.	NF	no factor from 2^67 to 2^68
2015-01-21	vwflat4	NF	no factor from 2^66 to 2^67
2012-10-20	sasaki3	NF	no factor from 2^65 to 2^66
2010-11-19	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-06-05	Mr-Plonk	NF	no factor from 2^63 to 2^64