9 365 821 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷²

TF target 2⁶⁸

P-1

B1 =	2000000
B2 =	4771857090

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

Status	Date	User	Residue	Shift
Verified	2000-02-23	Marc Honey	E5A9370AC6A371C1	6848
Verified	2003-05-19	Brian Jue	E5A9370AC6A371C1	3391881

History

Date	User	Type	Result
2023-04-03	Naegi Makoto	NF	no factor from 2^71 to 2^72
2022-12-24	Tha	NF-PM1	B1=2000000, B2=4771857090
2020-12-13	-Anonymous-	NF	no factor from 2^70 to 2^71
2020-12-13	-Anonymous-	NF	no factor from 2^69 to 2^70
2019-09-09	mnd9	NF	no factor from 2^68 to 2^69
2017-04-26	snme2pm1	NF	no factor from 2^67 to 2^68
2016-05-17	snme2pm1	NF	no factor from 2^66 to 2^67
2015-05-08	VictordeHollander	NF	no factor from 2^65 to 2^66
2013-09-05	Nesowa	NF	no factor from 2^64 to 2^65
2012-08-31	James Heinrich	NF-PM1	B1=175000, B2=3850000, E=6