3 321 107 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
9943394359	10	33.2	old
334827365527	12	38.3	2008-09-07 19:48:20
2116913484938686201447	22	70.8	2019-10-07 02:15:31

ECM

Digits	B1	Curves
25	50000	3 / 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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-04	Oliver Kruse	D4FE54B8DB8D3B4A	2	3108314	5	3
Verified (Factored)	2017-12-14	kkmrkkblmbrbk	D4FE54B8DB8D3B4A	2	1079618	5	3
Verified	2019-10-28	mnd9	D4FE54B8DB8D3B4A	3	1035898	5	3

P-1 factors

Date	Factor	B1	B2
2019-10-07	2116913484938686201447	66422	6642200

History

Date	User	Type	Result
2022-10-06	Joss	NF-PM1	B1=3321107, B2=445853100
2022-01-19	Joss	NF-PM1	B1=3321107, B2=339025050
2021-12-20	Joss	NF-PM1	B1=3321107, B2=116701200
2021-08-09	Joss	NF	no factor from 2^67 to 2^68
2021-07-31	Joss	NF-PM1	B1=3321107
2020-09-15	Joss	NF-PM1	B1=332110, B2=6642214, E=6
2020-07-30	Joss	NF-PM1	B1=332110, B2=3321107, E=6
2019-10-28	mnd9	C-PRP	M3321107/9943394359/334827365527/2116913484938686201447 : D4FE54B8DB8D3B4A PRP: Verified PRP without proof (not generated)
2019-10-07	Joss	F-PM1	Factor: 2116913484938686201447 / (P-1, B1=66422, B2=6642200, E=12)
2017-12-14	kkmrkkblmbrbk	C-PRP	M3321107/9943394359/334827365527 : D4FE54B8DB8D3B4A PRP: Verified PRP without proof (not generated)
2017-11-04	Oliver Kruse	C-PRP	M3321107/9943394359/334827365527 : D4FE54B8DB8D3B4A PRP: Verified PRP without proof (not generated)
2008-09-07	Will Edgington	F	Factor: 334827365527