11 916 161 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
9011312357092040498877854764229760034322626753	46	152.7	2021-07-17 09:44:35

ECM

Digits	B1	Curves
25	50000	67 / 280

Estimated T-Level: 21.2 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	2001-09-30	Stephen Wood	7AA1EBC45B4E0988	5883181
Verified (Factored)	2004-05-11	Ars Technica Team Prime Rib	7AA1EBC45B4E0988	9803268

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-12-01	riccardo uberti	C92E042C62CF96C8	1	6421500	5	3

P-1 factors

Date	Factor	B1	B2
2021-07-17	9011312357092040498877854764229760034322626753	6189107	185673210

History

Date	User	Type	Result
2021-12-19	riccardo uberti	NF-PP1	Start=6/5, B1=2250000, B2=45000000
2021-12-14	riccardo uberti	NF-PP1	Start=2/7, B1=2250000, B2=45000000
2021-12-01	Ben Delo	CERT	PRP Certification Proof certified good
2021-12-01	riccardo uberti	C-PRP	M11916161/9011312357092040498877854764229760034322626753 : C92E042C62CF96C8 PRP proof power = 8 PRP: Verified Proof certified good
2021-07-17	LaurV	F-PM1	Factor: 9011312357092040498877854764229760034322626753 / (P-1, B1=6189107, B2=185673210)
2021-05-16	lycorn	NF	no factor from 2^69 to 2^70
2018-01-03	ramgeis	NF	no factor from 2^68 to 2^69
2018-01-03	ramgeis	NF	no factor from 2^67 to 2^68
2016-03-03	ramgeis	NF	no factor from 2^66 to 2^67
2014-11-23	Tha	NF-PM1	B1=300000, B2=6000000, E=6
2013-10-20	Nesowa	NF	no factor from 2^65 to 2^66
2013-10-12	lycorn	NF	no factor from 2^64 to 2^65