11 582 677 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
22012035464538261245417051771088136897	38	124.0	2018-10-23 22:44:40

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	2001-04-21	Alan Vidmar	2ED692F4D8F026EB	3819804
Verified (Factored)	2004-03-16	Ars Technica Team Prime Rib	2ED692F4D8F026EB	3818073

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-05-30	M Miller	EB116252411A200F	1	944788	5	3
Verified	2021-03-14	ATH	EB116252411A200F	1	2593515	5	3

P-1 factors

Date	Factor	B1	B2
2018-10-23	22012035464538261245417051771088136897	1500000	30000000

History

Date	User	Type	Result
2021-03-14	Chad Steenerson	CERT	PRP Certification Proof certified good
2021-03-14	ATH	C-PRP	M11582677/22012035464538261245417051771088136897 : EB116252411A200F PRP proof power = 8 PRP: Verified Proof certified good
2020-05-30	M Miller	C-PRP	M11582677/22012035464538261245417051771088136897 : EB116252411A200F PRP: Verified PRP without proof (not generated)
2018-10-23	Sid & Andy	F-PM1	Factor: 22012035464538261245417051771088136897 / (P-1, B1=1500000, B2=30000000, E=12)
2018-01-01	ramgeis	NF	no factor from 2^68 to 2^69
2018-01-01	ramgeis	NF	no factor from 2^67 to 2^68
2016-01-15	VictordeHollander	NF	no factor from 2^66 to 2^67
2014-12-20	Nesowa	NF	no factor from 2^65 to 2^66
2013-11-05	lycorn	NF	no factor from 2^64 to 2^65