152 826 523 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁷⁷

TF target 2⁷⁷

Factored

Factor	Digits	Bits	Date
4489986737630964888991831	25	81.9	2025-01-16 03:34:56

P-1 factors

Date	Factors	B1	B2
2025-01-16	4489986737630964888991831	1081000	1081000

History

Date	User	Type	Result
2025-01-16	NStorm	F-PM1	Factor: 4489986737630964888991831 / B1=1081000
2025-01-12	La Güira	NF	no factor TF: 76-77
2024-08-07	SRBase	NF	no factor TF: 75-76
2023-02-11	SRBase	NF	no factor TF: 74-75
2021-11-14	SRBase	NF	no factor TF: 73-74
2017-11-15	David K Britt	NF	no factor TF: 72-73
2017-05-30	Sergey Nosov	NF	no factor TF: 70-72
2017-04-21	La Güira	NF	no factor TF: 69-70
2017-02-27	Rolf Larsen	NF	no factor TF: 68-69
2016-05-10	Richard	NF	no factor TF: 67-68
2015-04-02	Brandon	NF	no factor TF: 66-67
2013-01-24	ALS	NF	no factor TF: 65-66
2011-01-18	Sara	NF	no factor TF: 64-65
2010-07-04	1997rj7	NF	no factor TF: 63-64