75 723 217 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 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	630000
B2 =	12600000

Status	Date	User	Residue	Shift
Verified	2017-09-27	Smok_bmv	C081328C509B18D0	35937941
Verified	2018-10-04	S00030	C081328C509B18D0	66533340

History

Date	User	Type	Result
2018-10-04	S00030	C-LL	C081328C509B18D0
2017-09-27	Smok_bmv	C-LL	C081328C509B18D0
2016-04-25	-Anonymous-	NF-PM1	B1=630000, B2=12600000, E=12
2016-04-13	ktony	NF	no factor from 2^74 to 2^75
2016-04-09	Judge Hale	NF	no factor from 2^73 to 2^74
2016-02-18	Judge Hale	NF	no factor from 2^72 to 2^73
2013-12-27	SMoffat	NF	no factor from 2^71 to 2^72
2012-12-20	-Anonymous-	NF	no factor from 2^70 to 2^71
2010-09-10	Ali	NF	no factor from 2^69 to 2^70
2010-09-04	Ali	NF	no factor from 2^68 to 2^69
2010-08-29	rick	NF	no factor from 2^67 to 2^68
2010-08-22	rick	NF	no factor from 2^66 to 2^67
2010-08-15	RobertN	NF	no factor from 2^65 to 2^66
2010-08-13	Helmut Zulus	NF	no factor from 2^64 to 2^65
2009-05-19	timbit	NF	no factor from 2^63 to 2^64