152 827 321 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
186509271422871232551673	24	77.3	2025-01-17 16:02:08

P-1 factors

Date	Factors	B1	B2
2025-01-17	186509271422871232551673	1003000	187772970

History

Date	User	Type	Result
2025-01-17	NStorm	F-PM1	Factor: 186509271422871232551673 / B1=1003000, B2=187772970
2025-01-08	0x	NF	no factor TF: 76-77
2024-08-07	SRBase	NF	no factor TF: 75-76
2023-02-14	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	Xolotl	NF	no factor TF: 68-69
2016-04-25	Mr-Plonk	NF	no factor TF: 67-68
2015-04-01	3ast	NF	no factor TF: 66-67
2013-01-24	Charles A. Morris	NF	no factor TF: 65-66
2011-01-18	Uschinator	NF	no factor TF: 64-65
2010-07-04	1997rj7	NF	no factor TF: 63-64