103 865 821 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 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	718000
B2 =	20220000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-05-04	Ruslan Borisov	9DC61FD784B74734	89346290	1	3

History

Date	User	Type	Result
2021-05-05	curtisc	CERT	PRP Certification CERT proof power = 9 Proof certified good
2021-05-04	Ruslan Borisov	NF	no factor from 2^76 to 2^77
2021-05-04	Ruslan Borisov	C-PRP	9DC61FD784B74734 PRP proof power = 9 PRP: Verified Proof certified good
2021-04-15	Ruslan Borisov	NF-PM1	B1=718000, B2=20220000, E=6
2020-08-10	Alexander Pavlicin	NF	no factor from 2^75 to 2^76
2020-08-09	Alexander Pavlicin	NF	no factor from 2^74 to 2^75
2019-08-27	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-08-27	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2015-01-06	SMoffat	NF	no factor from 2^71 to 2^72
2013-09-20	Robish	NF	no factor from 2^70 to 2^71
2013-09-17	Robish	NF	no factor from 2^69 to 2^70
2013-09-10	Robish	NF	no factor from 2^68 to 2^69
2013-09-05	Robish	NF	no factor from 2^67 to 2^68
2013-09-02	Robish	NF	no factor from 2^66 to 2^67
2012-05-02	omiXorp	NF	no factor from 2^65 to 2^66
2010-08-24	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-04-21	Richard	NF	no factor from 2^63 to 2^64