2 320 553 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
13923319	8	23.7	old
125017879973545511	18	56.8	2015-04-30 11:51:19
24698411714214942451247	23	74.4	2018-02-28 23:51:56

ECM

Digits	B1	Curves
25	50000	105 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-11	Oliver Kruse	3A401D88CDA87990	2	0	1	3
Verified (Factored)	2017-11-23	storm5510	3A401D88CDA87990	2	74865	1	3
Verified	2018-03-07	Oliver Kruse	2B922A5416A08244	3	1919659	5	3
Verified (Factored)	2018-03-08	csaba	D18B894FE1BBCAC6	1	0	1	3
Verified	2018-03-09	kkmrkkblmbrbk	2B922A5416A08244	3	535011	5	3

P-1 factors

Date	Factor	B1	B2
2018-02-28	24698411714214942451247	500000	15000000

History

Date	User	Type	Result
2021-04-22	ViliamF	NF-PM1	B1=5000000, B2=505000000
2018-03-09	kkmrkkblmbrbk	C-PRP	M2320553/13923319/125017879973545511/24698411714214942451247 : 2B922A5416A08244 PRP: Verified PRP without proof (not generated)
2018-03-08	csaba	C-PRP	M2320553/known_factors : D18B894FE1BBCAC6 PRP: Verified PRP without proof (not generated)
2018-03-07	Oliver Kruse	C-PRP	M2320553/13923319/125017879973545511/24698411714214942451247 : 2B922A5416A08244 PRP: Verified PRP without proof (not generated)
2018-02-28	alpertron	F-PM1	Factor: 24698411714214942451247 / (P-1, B1=500000, B2=15000000, E=12)
2017-11-23	storm5510	C-PRP	M2320553/13923319/125017879973545511 : 3A401D88CDA87990 PRP: Verified PRP without proof (not generated)
2017-10-11	Oliver Kruse	C-PRP	M2320553/13923319/125017879973545511 : 3A401D88CDA87990 PRP: Verified PRP without proof (not generated)
2015-04-30	TJAOI	F	Factor: 125017879973545511 / TF: 56-57