1 072 943 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
131867767401957257953	21	66.8	2008-03-11 11:58:39
76271151792103322257894519	26	86.0	2020-03-09 11:15:05

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	Shift
Verified (Factored)		Gerardo Cisneros	1214	0
Verified (Factored)		Robert L. Klungle	920A8DB674C53214	0
Verified (Factored)	2002-03-03	S57483	920A8DB674C53214	265867

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-28	Oliver Kruse	109E18F9BCC1F8BC	1	0	1	3
Verified (Factored)	2017-10-18	kkmrkkblmbrbk	109E18F9BCC1F8BC	1	603338	1	3
Verified	2020-03-10	Jinyuan Wang	460036AD82959A20	2	415739	5	3
Verified	2020-03-10	AbsolutXTR	460036AD82959A20	2	670704	5	3

History

Date	User	Type	Result
2024-03-16	cramsey87	NF-PM1	B1=8000000, B2=20195017920
2020-03-10	AbsolutXTR	C-PRP	M1072943/131867767401957257953/76271151792103322257894519 : 460036AD82959A20 PRP: Verified PRP without proof (not generated)
2020-03-10	Jinyuan Wang	C-PRP	M1072943/131867767401957257953/76271151792103322257894519 : 460036AD82959A20 PRP: Verified PRP without proof (not generated)
2020-03-09	TJAOI	F-ECM	Factor: 76271151792103322257894519 / (ECM curve 31, B1=250000, B2=25000000)
2017-10-18	kkmrkkblmbrbk	C-PRP	M1072943/131867767401957257953 : 109E18F9BCC1F8BC PRP: Verified PRP without proof (not generated)
2017-09-28	Oliver Kruse	C-PRP	M1072943/131867767401957257953 : 109E18F9BCC1F8BC PRP: Verified PRP without proof (not generated)
2008-03-11	Team_Bundu	F-ECM	Factor: 131867767401957257953