74 207 383 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 =	685000
B2 =	13871250

Status	Date	User	Residue	Shift
Unverified	2016-09-14	Deimos	769A434349F061__	9709593

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-02-02	Kriesel	8BFC3469A839897A	0	1	3

History

Date	User	Type	Result
2022-02-02	Ben Delo	CERT	PRP Certification Proof certified good
2022-02-02	Kriesel	C-PRP	8BFC3469A839897A PRP: Verified Proof certified good
2021-12-15	LordJulius	NF	no factor from 2^75 to 2^76
2016-09-14	Deimos	C-LL	769A434349F061__
2016-07-02	AirSquirrels	NF	no factor from 2^74 to 2^75
2015-03-22	Nesowa	NF-PM1	B1=685000, B2=13871250, E=6
2014-09-02	gcardona	NF	no factor from 2^73 to 2^74
2014-09-02	gcardona	NF	no factor from 2^72 to 2^73
2014-09-02	gcardona	NF	no factor from 2^71 to 2^72
2013-05-10	SMoffat	NF	no factor from 2^70 to 2^71
2012-10-23	Clown_Royal	NF	no factor from 2^69 to 2^70
2010-07-28	symallad	NF	no factor from 2^68 to 2^69
2010-07-22	Geoff Wing	NF	no factor from 2^67 to 2^68
2010-07-11	Alexey Burdin	NF	no factor from 2^66 to 2^67
2010-07-03	S00030	NF	no factor from 2^65 to 2^66
2010-06-29	arnaud	NF	no factor from 2^64 to 2^65
2008-09-12	lycorn	NF	no factor to 2^64