2 233 019 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
4466039	7	22.1	old
1219861756779140901119	22	70.0	2016-04-14 11:18:15
4269578985537926772263	22	71.9	2023-06-07 17:45:15

ECM

Digits	B1	Curves
25	50000	58 / 280

Estimated T-Level: 21.0 ⓘ

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

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-10	Oliver Kruse	FB864980AEDC6B7D	1	0	1	3
Verified (Factored)	2017-12-05	ATH	2FA6E2F4368446DF	2	2015120	5	3
Verified (Factored)	2017-12-05	kkmrkkblmbrbk	2FA6E2F4368446DF	2	865141	5	3
Verified	2023-06-07	Nesowa	2FA6E2F4368446DF	3	2184018	5	3

P-1 factors

Date	Factor	B1	B2
2016-04-14	1219861756779140901119	500000	15000000
2016-04-14	1219861756779140901119	500000	15000000

History

Date	User	Type	Result
2023-06-07	69-bit_color_depth	CERT	PRP Certification Proof certified good
2023-06-07	Nesowa	C-PRP	M2233019/4466039/1219861756779140901119/4269578985537926772263 : 2FA6E2F4368446DF PRP proof power = 7 PRP: Verified Proof certified good
2023-06-07	Nesowa	F-ECM	Factor: 4269578985537926772263 / (ECM curve 22, B1=50000, B2=13210890, Sigma=6492999752662393)
2021-06-30	Dylan Delgado	NF-PM1	B1=1000000, B2=106000000
2017-12-05	kkmrkkblmbrbk	C-PRP	M2233019/4466039/1219861756779140901119 : 2FA6E2F4368446DF PRP: Verified (Factored) PRP without proof (not generated)
2017-12-05	ATH	C-PRP	M2233019/4466039/1219861756779140901119 : 2FA6E2F4368446DF PRP: Verified (Factored) PRP without proof (not generated)
2017-10-18	Oliver Kruse	C-PRP	M2233019/4466039/1219861756779140901119/1219861756779140901119 : 2FA6E2F4368446DF PRP without proof (not generated)
2017-10-10	Oliver Kruse	C-PRP	M2233019/known_factors : FB864980AEDC6B7D PRP: Verified (Factored) PRP without proof (not generated)
2016-04-14	alpertron	F-PM1	Factor: 1219861756779140901119 / (P-1, B1=500000, B2=15000000, E=12)