144 814 907 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
43190728098391875578207	23	75.2	2024-07-17 16:27:23

History

Date	User	Type	Result
2025-06-05	DMiddendorp	F	Factor: 43190728098391875578207 / TF: 75-76
2024-07-17	SRBase	F	Factor: 43190728098391875578207 / TF: 75-76*
2023-01-28	SRBase	NF	no factor from 2^74 to 2^75
2021-11-12	SRBase	NF	no factor from 2^73 to 2^74
2020-11-19	SRBase	NF	no factor from 2^72 to 2^73
2016-12-02	guru	NF	no factor from 2^71 to 2^72
2016-12-01	nate.anders	NF	no factor from 2^70 to 2^71
2016-11-18	nate.anders	NF	no factor from 2^69 to 2^70
2016-11-14	nate.anders	NF	no factor from 2^68 to 2^69
2016-03-28	Derek	NF	no factor from 2^67 to 2^68
2015-03-02	Mr-Plonk	NF	no factor from 2^66 to 2^67
2012-12-21	carlos56	NF	no factor from 2^65 to 2^66
2010-12-24	jxta	NF	no factor from 2^64 to 2^65
2010-06-19	Torchwood Institute	NF	no factor from 2^63 to 2^64