2 121 569 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
10794543073	11	33.3	old
41231894696722857383759	23	75.1	2022-11-09 03:24:11

ECM

Digits	B1	Curves
25	50000	118 / 280

Estimated T-Level: 22.1 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-07	Oliver Kruse	DE538D6E4AA08D0E	1	0	1	3
Verified (Factored)	2017-11-17	kkmrkkblmbrbk	DE538D6E4AA08D0E	1	1932322	1	3
Verified	2022-11-14	mrh	3F03E126CD0A5BBB	2	1994330	5	3

History

Date	User	Type	Result
2022-11-14	Chad Steenerson	CERT	PRP Certification Proof certified good
2022-11-14	mrh	C-PRP	M2121569/10794543073/41231894696722857383759 : 3F03E126CD0A5BBB PRP proof power = 7 PRP: Verified Proof certified good
2022-11-09	_p95holder_	F-ECM	Factor: 41231894696722857383759 / (ECM curve 5, B1=50000, B2=5000000)
2017-11-17	kkmrkkblmbrbk	C-PRP	M2121569/10794543073 : DE538D6E4AA08D0E PRP: Verified (Factored) PRP without proof (not generated)
2017-10-07	Oliver Kruse	C-PRP	M2121569/10794543073 : DE538D6E4AA08D0E PRP: Verified (Factored) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12