53 920 393 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 2⁷³

P-1

B1 =	625000
B2 =	15156250

Status	Date	User	Residue	Shift
Verified	2012-08-10	-Anonymous-	25224050E2CE2033	43797423
Verified	2020-07-11	manrus	25224050E2CE2033	44728794

History

Date	User	Type	Result
2020-07-11	manrus	C-LL	25224050E2CE2033
2020-06-26	-Anonymous-	NF	no factor from 2^75 to 2^76
2020-06-24	-Anonymous-	NF	no factor from 2^74 to 2^75
2019-07-09	lobsterfordinner	NF	no factor from 2^73 to 2^74
2016-02-14	AirSquirrels	NF	no factor from 2^72 to 2^73
2012-08-10	-Anonymous-	C-LL	25224050E2CE2033
2012-05-08	bcp19	NF	no factor from 2^71 to 2^72
2011-09-08	Xyzzy	NF	no factor from 2^70 to 2^71
2011-05-12	Paul Leyland	NF	no factor from 2^69 to 2^70
2011-04-28	-Anonymous-	NF	no factor from 2^68 to 2^69
2011-04-25	drewha - Belarus	NF-PM1	B1=625000, B2=15156250
2009-05-04	S530729	NF	no factor from 2^67 to 2^68
2009-02-21	GleanerC	NF	no factor from 2^66 to 2^67
2009-02-21	GleanerC	NF	no factor from 2^65 to 2^66
2009-02-20	GleanerC	NF	no factor from 2^64 to 2^65
2008-09-08	-Anonymous-	NF	no factor to 2^64