61 624 219 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 2⁷⁴

P-1

B1 =	1000000
B2 =	30000000

Status	Date	User	Residue	Shift
Verified	2013-09-24	denis cazor	335FE9FE0C385C67	14957007
Bad	2021-07-12	Dmitriy Degtiarev	14DDA72545AD08AD	33104929
Verified	2021-09-03	ZacHFX	335FE9FE0C385C67	21932048

History

Date	User	Type	Result
2021-09-03	ZacHFX	C-LL	335FE9FE0C385C67
2021-08-15	riccardo uberti	NF-PM1	B1=1000000, B2=30000000, E=12
2021-07-12	Dmitriy Degtiarev	C-LL	14DDA72545AD08AD
2020-06-08	-Anonymous-	NF	no factor from 2^75 to 2^76
2020-05-19	-Anonymous-	NF	no factor from 2^74 to 2^75
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2013-09-24	denis cazor	C-LL	335FE9FE0C385C67
2013-05-21	BigBrother	NF-PM1	B1=545000, B2=10627500, E=6
2013-05-20	Architects Cubed	NF	no factor from 2^73 to 2^74
2013-02-08	Kevin Jaget	NF	no factor from 2^72 to 2^73
2013-02-08	Kevin Jaget	NF	no factor from 2^71 to 2^72
2012-09-04	Piotrek2234	NF	no factor from 2^70 to 2^71
2011-11-15	S00030	NF	no factor from 2^69 to 2^70
2009-09-23	Sturle Sunde	NF	no factor from 2^68 to 2^69
2009-04-12	kutens	NF	no factor from 2^67 to 2^68
2009-02-07	Superbob	NF	no factor from 2^66 to 2^67
2009-02-06	-Anonymous-	NF	no factor from 2^65 to 2^66
2009-02-04	ANONYMOUS	NF	no factor from 2^64 to 2^65
2009-02-04	Sturle Sunde	NF	no factor from 2^63 to 2^64