2 752 199 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
10219735918903274188193	23	73.1	2011-05-05 21:46:26

ECM

Digits	B1	Curves
25	50000	6 / 280

Estimated T-Level: 20.1 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Dax Prather	86196D85EC8B6AC7	0
Verified (Factored)	1998-07-11	Kuba Ober	86196D85EC8B6AC7	0
Verified (Factored)	1999-07-27	John C Turner	86196D85EC8B6AC7	247809

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-20	Oliver Kruse	E42C66E6B22444C8	1	625882	5	3
Verified	2017-12-05	kkmrkkblmbrbk	E42C66E6B22444C8	1	704078	5	3

History

Date	User	Type	Result
2022-09-20	USAFSS	NF-PM1	B1=220000, B2=203416290
2022-03-11	LordJulius	NF	no factor from 2^1 to 2^60
2017-12-05	kkmrkkblmbrbk	C-PRP	M2752199/10219735918903274188193 : E42C66E6B22444C8 PRP: Verified PRP without proof (not generated)
2017-10-20	Oliver Kruse	C-PRP	M2752199/10219735918903274188193 : E42C66E6B22444C8 PRP: Verified PRP without proof (not generated)
2011-05-05	James Heinrich	F-PM1	Factor: 10219735918903274188193
2011-01-22	Joss	NF-PM1	B1=50000
2011-01-02	Joss	NF-PM1	B1=30000
2010-12-21	Joss	NF-PM1	B1=20000
2009-02-01	Sturle Sunde	NF	no factor from 2^60 to 2^61