153 337 621 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
2132811856687500843265049017	28	90.8	2025-02-26 15:46:36

P-1 factors

Date	Factors	B1	B2
2025-02-26	2132811856687500843265049017	836000	836000

History

Date	User	Type	Result
2025-02-26	Smok_bmv	F-PM1	Factor: 2132811856687500843265049017 / B1=836000
2025-01-01	Ethan O'Connor	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
2021-11-29	SRBase	NF	no factor TF: 73-74
2016-09-21	naturegeak	NF	no factor TF: 72-73
2016-09-20	nate.anders	NF	no factor TF: 71-72
2016-09-13	Choi4KANG	NF	no factor TF: 70-71
2016-08-05	La Güira	NF	no factor TF: 69-70
2016-08-05	La Güira	NF	no factor TF: 68-69
2016-04-26	rubikvn2100	NF	no factor TF: 67-68
2015-04-03	rubikvn2100	NF	no factor TF: 66-67
2013-01-26	sasaki3	NF	no factor TF: 65-66
2011-01-20	Uschinator	NF	no factor TF: 64-65
2010-06-24	sasaki3	NF	no factor TF: 63-64