152 882 621 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
568402135125816209164481	24	78.9	2025-01-24 04:47:35

P-1 factors

Date	Factors	B1	B2
2025-01-24	568402135125816209164481	666000	18440205

History

Date	User	Type	Result
2025-01-24	Curved	F-PM1	Factor: 568402135125816209164481 / B1=666000, B2=18440205
2025-01-07	Walleye24	NF	no factor TF: 76-77
2024-08-09	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
2017-04-21	LookAS	NF	no factor TF: 72-73
2017-04-19	BigHeadScientist	NF	no factor TF: 71-72
2017-04-18	BigHeadScientist	NF	no factor TF: 70-71
2017-04-04	vbBD	NF	no factor TF: 69-70
2017-02-25	Xolotl	NF	no factor TF: 68-69
2016-04-25	deo2016	NF	no factor TF: 67-68
2015-04-08	Richard	NF	no factor TF: 66-67
2013-02-04	fireredd	NF	no factor TF: 65-66
2011-01-18	Nathan Edington	NF	no factor TF: 64-65
2010-07-13	1997rj7	NF	no factor TF: 63-64