1 055 471 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
318790610481793	15	48.2	old
11172871966337160594575665335374991233	38	123.1	2021-07-29 22:59:53

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 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)	2017-09-28	Oliver Kruse	EE1034C9AF2586EE	1	0	1	3
Verified (Factored)	2017-10-16	Oliver Kruse	EE1034C9AF2586EE	1	409038	1	3
Verified (Factored)	2017-12-28	ATH	EE1034C9AF2586EE	1	1051378	1	3
Verified	2021-07-29	ViliamF	9899C80F1B766745	2	326824	5	3

P-1 factors

Date	Factor	B1	B2
2021-07-29	11172871966337160594575665335374991233	10000000	1000000000

History

Date	User	Type	Result
2021-07-30	curtisc	CERT	PRP Certification Proof certified good
2021-07-29	ViliamF	C-PRP	M1055471/318790610481793/11172871966337160594575665335374991233 : 9899C80F1B766745 PRP proof power = 6 PRP: Verified Proof certified good
2021-07-29	ViliamF	F-PM1	Factor: 11172871966337160594575665335374991233 / (P-1, B1=10000000, B2=1000000000)
2017-12-28	ATH	C-PRP	M1055471/318790610481793 : EE1034C9AF2586EE PRP: Verified (Factored) PRP without proof (not generated)
2017-10-16	Oliver Kruse	C-PRP	M1055471/318790610481793 : EE1034C9AF2586EE PRP: Verified (Factored) PRP without proof (not generated)
2017-09-28	Oliver Kruse	C-PRP	M1055471/318790610481793 : EE1034C9AF2586EE PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12