153 097 349 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
1519151928526477247624857	25	80.3	2025-02-10 01:47:35

P-1 factors

Date	Factors	B1	B2
2025-02-10	1519151928526477247624857	848000	848000

History

Date	User	Type	Result
2025-02-10	Smok_bmv	F-PM1	Factor: 1519151928526477247624857 / B1=848000
2025-01-05	Ethan O'Connor	NF	no factor TF: 76-77
2024-08-06	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
2017-05-28	nranks	NF	no factor TF: 71-72
2017-05-28	nranks	NF	no factor TF: 72-73
2017-05-28	nranks	NF	no factor TF: 70-71
2017-05-23	La Güira	NF	no factor TF: 69-70
2015-02-16	mikr	NF	no factor TF: 68-69
2015-02-16	mikr	NF	no factor TF: 66-68
2013-01-25	Charles A. Morris	NF	no factor TF: 65-66
2011-01-24	Richard	NF	no factor TF: 64-65
2010-06-24	oodaira	NF	no factor TF: 63-64