1 926 703 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
46537584263	11	35.4	old
1662872760801817	16	50.6	2014-06-03 11:33:24
7874038478442769247	19	62.8	2016-10-11 11:25:03
5799594497685957908977	22	72.3	2021-12-10 17:49:14

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-05	Oliver Kruse	F624ED2A5F71FFF5	3	0	1	3
Verified (Factored)	2017-11-15	kkmrkkblmbrbk	F624ED2A5F71FFF5	3	864880	1	3
Verified	2021-12-12	_p95holder_	84D33B7D57A4191C	4	1921663	5	3
Verified	2021-12-13	carlos56	84D33B7D57A4191C	4	1389272	5	3

History

Date	User	Type	Result
2021-12-13	carlos56	C-PRP	M1926703/46537584263/1662872760801817/7874038478442769247/5799594497685957908977 : 84D33B7D57A4191C PRP proof power = 7 PRP: Verified PRP proof never uploaded
2021-12-12	_p95holder_	C-PRP	M1926703/46537584263/1662872760801817/7874038478442769247/5799594497685957908977 : 84D33B7D57A4191C PRP: Verified PRP without proof (not generated)
2021-12-10	_p95holder_	F-ECM	Factor: 5799594497685957908977 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-15	kkmrkkblmbrbk	C-PRP	M1926703/46537584263/1662872760801817/7874038478442769247 : F624ED2A5F71FFF5 PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1926703/46537584263/1662872760801817/7874038478442769247 : F624ED2A5F71FFF5 PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1926703/46537584263/1662872760801817/7874038478442769247 : F624ED2A5F71FFF5 PRP without proof (not generated)
2016-10-11	TJAOI	F	Factor: 7874038478442769247 / TF: 62-63
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-06-03	TJAOI	F	Factor: 1662872760801817