153 020 431 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
1020989810087069208434333193697	31	99.7	2025-01-31 19:49:47

P-1 factors

Date	Factors	B1	B2
2025-01-31	1020989810087069208434333193697	1070000	306043650

History

Date	User	Type	Result
2025-01-31	Dmitry Bolshakov	F-PM1	Factor: 1020989810087069208434333193697 / B1=1070000, B2=306043650
2025-01-10	La Güira	NF	no factor TF: 76-77
2024-08-06	SRBase	NF	no factor TF: 75-76
2017-07-27	Yves de Wandelaar	NF	no factor TF: 71-72
2017-07-27	Yves de Wandelaar	NF	no factor TF: 72-73
2017-07-27	Yves de Wandelaar	NF	no factor TF: 73-74
2017-07-27	Yves de Wandelaar	NF	no factor TF: 74-75
2017-07-25	PALKOTAMAS	NF	no factor TF: 70-71
2014-09-27	La Güira	NF	no factor TF: 69-70
2014-09-27	La Güira	NF	no factor TF: 68-69
2014-09-27	La Güira	NF	no factor TF: 66-68
2013-01-25	Charles A. Morris	NF	no factor TF: 65-66
2011-01-18	sannerud.com	NF	no factor TF: 64-65
2010-06-24	Torchwood Institute	NF	no factor TF: 63-64