90 258 331 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime

No factors below 2⁷⁷

TF target 2⁷⁵

P-1

B1 =	730000
B2 =	13505000

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2020-04-13	ATH	64032C2FE2644F__	0	1	3

History

Date	User	Type	Result
2024-05-21	James Heinrich	NF	no factor TF: 68-69
2020-04-13	ATH	C-PRP	64032C2FE2644F__
2019-01-27	TheJudger	NF	no factor TF: 76-77
2019-01-14	Ruzovej	NF-PM1	B1=730000, B2=13505000
2018-11-25	TheJudger	NF	no factor TF: 74-75
2018-11-25	TheJudger	NF	no factor TF: 75-76
2018-05-04	Carsten Kossendey	NF	no factor TF: 73-74
2016-10-12	Carsten Kossendey	NF	no factor TF: 72-73
2015-10-30	Carsten Kossendey	NF	no factor TF: 71-72
2014-08-30	Templar	NF	no factor TF: 70-71
2013-11-25	Carsten Kossendey	NF	no factor TF: 69-70
2012-07-18	Carsten Kossendey	NF	no factor TF: 68-69
2011-08-05	Carsten Kossendey	NF	no factor TF: 67-68
2010-11-15	Carsten Kossendey	NF	no factor TF: 66-67
2010-06-17	Carsten Kossendey	NF	no factor TF: 65-66
2010-05-28	Carsten Kossendey	NF	no factor TF: 64-65