153 438 017 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 2⁷⁸

TF target 2⁷⁸

Factored

Factor	Digits	Bits	Date
564113025738787936259669911	27	88.9	2025-03-10 10:54:09

P-1 factors

Date	Factors	B1	B2
2025-03-10	564113025738787936259669911	803000	55747890

History

Date	User	Type	Result
2025-03-10	Smok_bmv	F-PM1	Factor: 564113025738787936259669911 / B1=803000, B2=55747890
2025-02-16	ElectricBill	NF	no factor TF: 77-78
2024-12-30	Iffy	NF	no factor TF: 76-77
2024-04-08	La Güira	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
2017-11-27	Earle Lowe	NF	no factor TF: 72-73
2017-06-02	Sergey Nosov	NF	no factor TF: 70-72
2017-05-30	La Güira	NF	no factor TF: 69-70
2017-02-26	debrouxl	NF	no factor TF: 68-69
2016-04-27	rubikvn2100	NF	no factor TF: 67-68
2015-04-03	guru	NF	no factor TF: 66-67
2013-01-30	Richard	NF	no factor TF: 65-66
2011-01-19	sasaki3	NF	no factor TF: 64-65
2010-06-24	subgenius	NF	no factor TF: 63-64