153 270 001 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
1608846028612647663685101267596398783	37	120.3	2025-03-16 18:14:52

P-1 factors

Date	Factors	B1	B2
2025-03-16	1608846028612647663685101267596398783	1103000	343649670

History

Date	User	Type	Result
2025-03-16	Dmitry Bolshakov	F-PM1	Factor: 1608846028612647663685101267596398783 / B1=1103000, B2=343649670
2025-01-02	Kamil Gorski	NF	no factor TF: 76-77
2024-08-11	SRBase	NF	no factor TF: 75-76
2024-07-29	Wentao Huang	NF	no factor TF: 68-69
2023-02-14	SRBase	NF	no factor TF: 74-75
2021-11-14	SRBase	NF	no factor TF: 73-74
2018-02-04	hkt	NF	no factor TF: 72-73
2017-06-12	Andrew B	NF	no factor TF: 71-72
2017-06-09	Andrew B	NF	no factor TF: 70-71
2017-06-01	La Güira	NF	no factor TF: 69-70
2016-06-25	Derek	NF	no factor TF: 68-69
2016-05-07	sm21	NF	no factor TF: 67-68
2015-04-02	tsc	NF	no factor TF: 66-67
2013-02-08	GrunwalderGIMP	NF	no factor TF: 65-66
2011-01-19	runesk	NF	no factor TF: 64-65
2010-06-24	Torchwood Institute	NF	no factor TF: 63-64