111 307 387 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

TF

No factors below 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	816000
B2 =	429596970

Status	Date	User	Residue	Shift
Unverified	2020-12-30	Steve McDermott	F067192C52A444__	85348203

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-11-15	-Anonymous-	LL double-check		0.00 %	2024-11-15

History

Date	User	Type	Result
2024-10-01	mewturn	NF-PM1	B1=816000, B2=429596970
2020-12-30	Steve McDermott	C-LL	F067192C52A444__
2020-10-30	Steve McDermott	NF-PM1	B1=1045000
2020-09-30	Runtime Error	NF	no factor from 2^76 to 2^77
2020-09-30	Runtime Error	NF	no factor from 2^75 to 2^76
2020-09-30	Runtime Error	NF	no factor from 2^74 to 2^75
2020-09-30	Runtime Error	NF	no factor from 2^73 to 2^74
2020-04-26	SRBase	NF	no factor from 2^72 to 2^73
2019-01-16	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2014-06-20	Andreas_Truetsch	NF	no factor from 2^70 to 2^71
2013-10-21	PascalBieri	NF	no factor from 2^69 to 2^70
2013-10-12	NoPa	NF	no factor from 2^68 to 2^69
2013-10-09	NoPa	NF	no factor from 2^67 to 2^68
2013-10-05	DeadSkinMask	NF	no factor from 2^66 to 2^67
2012-07-29	subgenius	NF	no factor from 2^65 to 2^66
2010-09-23	Richard	NF	no factor from 2^64 to 2^65
2010-05-04	Richard	NF	no factor from 2^63 to 2^64