4 853 111 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
1397695969	10	30.4	old
433007031486903274721	21	68.6	2019-07-03 06:51:12

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)	2017-09-20	kkmrkkblmbrbk	0A108DFE42D6BBFB	1	0	1	3
Verified (Factored)	2018-03-30	Oliver Kruse	0A108DFE42D6BBFB	1	3206685	1	3
Verified	2019-07-03	Niels_Mache_Nextcloud	CA54AD69E890253D	2	2726652	5	3
Verified	2019-07-04	marssystems	CA54AD69E890253D	2	3677599	5	3

History

Date	User	Type	Result
2023-08-08	USAFSS	NF-PM1	B1=256000, B2=105522060
2019-07-04	marssystems	C-PRP	M4853111/1397695969/433007031486903274721 : CA54AD69E890253D PRP: Verified PRP without proof (not generated)
2019-07-03	Niels_Mache_Nextcloud	C-PRP	M4853111/1397695969/433007031486903274721 : CA54AD69E890253D PRP: Verified PRP without proof (not generated)
2019-07-03	_p95holder_	F-ECM	Factor: 433007031486903274721 / (ECM curve 3, B1=50000, B2=5000000)
2018-03-30	Oliver Kruse	C-PRP	M4853111/1397695969 : 0A108DFE42D6BBFB PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4853111/1397695969 : 0A108DFE42D6BBFB PRP: Verified PRP without proof (not generated)