153 253 637 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
24420120405645119432870521	26	84.3	2025-03-28 23:53:38

P-1 factors

Date	Factors	B1	B2
2025-03-28	24420120405645119432870521	1092000	308333850

History

Date	User	Type	Result
2025-03-28	Dmitry Bolshakov	F-PM1	Factor: 24420120405645119432870521 / B1=1092000, B2=308333850
2025-01-02	mikr	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
2017-06-06	glennpat	NF	no factor TF: 72-73
2017-06-04	glennpat	NF	no factor TF: 70-71
2017-06-04	glennpat	NF	no factor TF: 71-72
2017-06-01	La Güira	NF	no factor TF: 69-70
2016-11-30	Alex_soldier	NF	no factor TF: 68-69
2016-04-26	arnie	NF	no factor TF: 67-68
2015-04-02	bam	NF	no factor TF: 66-67
2013-01-26	Charles A. Morris	NF	no factor TF: 65-66
2011-01-18	Charles A. Morris	NF	no factor TF: 64-65
2010-06-24	Torchwood Institute	NF	no factor TF: 63-64