4 936 483 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
27266554655496041	17	54.6	old
2586547856306117891777	22	71.1	2019-08-19 06:44:54

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^61 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	27C5A9512F205F37	1	0	1	3
Verified (Factored)	2018-04-12	ATH	27C5A9512F205F37	1	4869653	1	3
Verified	2019-08-19	Niels_Mache_Nextcloud	3BB0290C0B6C6872	2	3632970	5	3
Verified	2019-08-20	kkmrkkblmbrbk	3BB0290C0B6C6872	2	245725	5	3

History

Date	User	Type	Result
2023-09-25	USAFSS	NF-PM1	B1=256000, B2=105522060
2019-08-20	kkmrkkblmbrbk	C-PRP	M4936483/27266554655496041/2586547856306117891777 : 3BB0290C0B6C6872 PRP: Verified PRP without proof (not generated)
2019-08-19	Niels_Mache_Nextcloud	C-PRP	M4936483/27266554655496041/2586547856306117891777 : 3BB0290C0B6C6872 PRP: Verified PRP without proof (not generated)
2019-08-19	_p95holder_	F-ECM	Factor: 2586547856306117891777 / (ECM curve 1, B1=50000, B2=5000000)
2018-04-12	ATH	C-PRP	M4936483/27266554655496041 : 27C5A9512F205F37 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4936483/27266554655496041 : 27C5A9512F205F37 PRP: Verified PRP without proof (not generated)