879 343 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
2233250756914537422233	22	70.9	2013-12-21 11:40:22

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	3ECF	0
Verified (Factored)		Andreas Vogel	9F4014CD42577ECF	0
Verified (Factored)	2002-01-28	Marc Getty / Phil Fizur	9F4014CD42577ECF	328501

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	Oliver Kruse	AABD2B2B83F46003	1	0	1	3
Verified	2017-10-14	Oliver Kruse	AABD2B2B83F46003	1	654366	1	3
Verified	2017-12-19	ATH	AABD2B2B83F46003	1	848658	1	3
Unverified (Reliable)	2020-04-22	Oliver Kruse	E86CA2F9E506D2__	1	564783	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^58 to 2^59
2020-04-22	Oliver Kruse	C-PRP	M879343/2233250756914537422233 : E86CA2F9E506D2__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-12-19	ATH	C-PRP	M879343/2233250756914537422233 : AABD2B2B83F46003 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-14	Oliver Kruse	C-PRP	M879343/2233250756914537422233 : AABD2B2B83F46003 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-28	Oliver Kruse	C-PRP	M879343/2233250756914537422233 : AABD2B2B83F46003 PRP: Unverified (Reliable) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12
2013-12-21	gucs	F-ECM	Factor: 2233250756914537422233
2012-10-25	Joss	NF-PM1	B1=1906507
2012-09-21	Joss	NF-PM1	B1=1758686
2012-04-16	Joss	NF-PM1	B1=1177485
2012-02-06	Joss	NF-PM1	B1=784990
2011-09-05	Joss	NF-PM1	B1=392495
2011-07-12	Joss	NF-PM1	B1=235497
2011-02-22	Joss	NF-PM1	B1=200000
2010-06-03	Architects Cubed	NF	no factor from 2^60 to 2^61