172 564 027 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
200215021755649173005730595378417079	36	117.3	2024-10-06 13:40:16

P-1 factors

Date	Factor	B1	B2
2024-10-06	200215021755649173005730595378417079	1487000	1605412380

History

Date	User	Type	Result
2024-10-06	Luke Durant	F-PM1	Factor: 200215021755649173005730595378417079 / (P-1, B1=1487000, B2=1605412380)
2024-09-22	SRBase	NF	no factor from 2^75 to 2^76
2024-06-27	storm5510	NF	no factor from 2^72 to 2^73
2024-06-27	storm5510	NF	no factor from 2^71 to 2^72
2024-06-27	storm5510	NF	no factor from 2^70 to 2^71
2024-06-27	storm5510	NF	no factor from 2^69 to 2^70
2023-03-22	SRBase	NF	no factor from 2^74 to 2^75
2021-12-25	SRBase	NF	no factor from 2^73 to 2^74
2018-03-09	Richard	NF	no factor from 2^72 to 2^73
2018-03-09	Richard	NF	no factor from 2^71 to 2^72
2018-03-09	Richard	NF	no factor from 2^70 to 2^71
2018-03-09	Richard	NF	no factor from 2^69 to 2^70
2016-09-30	nate.anders	NF	no factor from 2^68 to 2^69
2016-06-04	ANONYMOUS	NF	no factor from 2^67 to 2^68
2015-06-20	Summy	NF	no factor from 2^66 to 2^67
2013-04-06	sasaki3	NF	no factor from 2^65 to 2^66
2011-02-28	Sergej Levin	NF	no factor from 2^64 to 2^65
2010-07-12	Charles A. Morris	NF	no factor from 2^63 to 2^64