4 904 233 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
107893127	9	26.7	old
5290742691643592334017	22	72.2	2019-07-31 10:24:29

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	3B505682610AAD7E	1	0	1	3
Verified (Factored)	2018-04-05	ATH	3B505682610AAD7E	1	1187761	1	3
Verified	2019-08-05	Brett Walker	94BC26D748157163	2	2651361	5	3
Verified	2019-08-05	ATH	94BC26D748157163	2	3582853	5	3

History

Date	User	Type	Result
2022-09-30	USAFSS	NF-PM1	B1=260000, B2=167750730
2019-08-05	ATH	C-PRP	M4904233/107893127/5290742691643592334017 : 94BC26D748157163 PRP: Verified PRP without proof (not generated)
2019-08-05	Brett Walker	C-PRP	M4904233/107893127/5290742691643592334017 : 94BC26D748157163 PRP: Verified PRP without proof (not generated)
2019-07-31	_p95holder_	F-ECM	Factor: 5290742691643592334017 / (ECM curve 3, B1=50000, B2=5000000)
2018-04-05	ATH	C-PRP	M4904233/107893127 : 3B505682610AAD7E PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4904233/107893127 : 3B505682610AAD7E PRP: Verified PRP without proof (not generated)