43 015 009 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 2⁷⁶

TF target 2⁷²

P-1

B1 =	1500000
B2 =	30000000

Status	Date	User	Residue	Shift
Verified	2010-09-12	Waz	5494FB36F0625CCE	33958735
Verified	2017-11-19	Sergey Nosov	5494FB36F0625CCE	42503151

History

Date	User	Type	Result
2021-02-27	-Anonymous-	NF	no factor from 2^75 to 2^76
2021-02-25	-Anonymous-	NF	no factor from 2^74 to 2^75
2020-12-21	Sid & Andy	NF-PM1	B1=1500000, B2=30000000
2020-01-24	-Anonymous-	NF	no factor from 2^73 to 2^74
2018-12-24	-Anonymous-	NF	no factor from 2^72 to 2^73
2017-11-19	Sergey Nosov	C-LL	5494FB36F0625CCE
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2012-01-20	Chuck	NF-PM1	B1=405000, B2=7897500, E=12
2012-01-08	ktony	NF	no factor from 2^71 to 2^72
2012-01-08	ktony	NF	no factor from 2^70 to 2^71
2012-01-08	ktony	NF	no factor from 2^69 to 2^70
2012-01-08	ktony	NF	no factor from 2^68 to 2^69
2010-09-12	Waz	C-LL	5494FB36F0625CCE