141 781 559 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

No known factors, not tested for primality

TF

No factors below 2⁷⁷

TF target 2⁷⁷

P-1

B1 =	1211000
B2 =	1401568740

History

Date	User	Type	Result
2024-10-01	Luke Durant	NF-PM1	B1=1211000, B2=1401568740
2022-06-05	GAN	NF	no factor from 2^76 to 2^77
2022-05-22	GAN	NF	no factor from 2^76 to 2^77
2021-10-24	GAN	NF	no factor from 2^75 to 2^76
2021-10-24	GAN	NF	no factor from 2^74 to 2^75
2021-10-24	GAN	NF	no factor from 2^73 to 2^74
2020-11-16	SRBase	NF	no factor from 2^72 to 2^73
2017-05-05	d3zorg	NF	no factor from 2^71 to 2^72
2017-05-03	ITS	NF	no factor from 2^70 to 2^71
2017-02-11	JoDu	NF	no factor from 2^69 to 2^70
2017-02-05	JoDu	NF	no factor from 2^68 to 2^69
2016-03-25	dbaugh	NF	no factor from 2^67 to 2^68
2015-07-01	vwflat4	NF	no factor from 2^66 to 2^67
2012-12-06	KayJongsma	NF	no factor from 2^65 to 2^66
2010-12-16	Ruslan	NF	no factor from 2^64 to 2^65
2010-06-15	Torchwood Institute	NF	no factor from 2^63 to 2^64