332 241 821 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	1625000
B2 =	112972530

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2025-04-18	iucas	E5083159FA8134A9	0	1	3

History

Date	User	Type	Result
2025-04-23	Kriesel	CERT	Proof certified good
2025-04-18	iucas	C-PRP	E5083159FA8134A9 Proof Certified Good Proof Power: 9
2024-02-24	Vili	NF-PM1	B1=1625000, B2=112972530
2023-11-05	TravisJank	NF	no factor TF: 80-81
2023-11-02	gcardona	NF	no factor TF: 79-80
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2019-11-25	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-04-10	MadPoo 🙂	NF-PM1	B1=100000
2015-11-21	NR	NF	no factor TF: 78-79
2015-11-21	NR	NF	no factor TF: 77-78
2015-11-09	srow7	NF	no factor TF: 76-77
2011-08-21	SETIKAH	NF	no factor TF: 75-76
2011-06-13	SETIKAH	NF	no factor TF: 74-75
2011-05-12	Christian Geschwentner	NF	no factor TF: 73-74
2011-04-30	Christian Geschwentner	NF	no factor TF: 72-73
2010-12-05	Team_Inspector	NF	no factor TF: 71-72
2010-10-19	Team_Inspector	NF	no factor TF: 70-71
2009-05-24	Team_Inspector	NF	no factor TF: 69-70
2009-02-05	Team_Inspector	NF	no factor TF: 68-69