1 879 663 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
17657554223	11	34.0	old
94802667696168033868471	23	76.3	2021-09-24 10:07:22

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)	2017-10-04	Oliver Kruse	2FFABA916C541045	1	0	1	3
Verified (Factored)	2017-11-08	kkmrkkblmbrbk	2FFABA916C541045	1	1295822	1	3
Verified	2021-09-26	_p95holder_	0C25274F43B0A04F	2	308586	5	3
Verified	2021-09-29	onlinegame	0C25274F43B0A04F	2	604946	5	3

History

Date	User	Type	Result
2021-09-29	LOBES	CERT	PRP Certification Proof certified good
2021-09-29	onlinegame	C-PRP	M1879663/17657554223/94802667696168033868471 : 0C25274F43B0A04F PRP proof power = 7 PRP: Verified Proof certified good
2021-09-26	_p95holder_	C-PRP	M1879663/17657554223/94802667696168033868471 : 0C25274F43B0A04F PRP: Verified PRP without proof (not generated)
2021-09-24	_p95holder_	F-ECM	Factor: 94802667696168033868471 / (ECM curve 5, B1=50000, B2=5000000)
2017-11-08	kkmrkkblmbrbk	C-PRP	M1879663/17657554223 : 2FFABA916C541045 PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1879663/17657554223 : 2FFABA916C541045 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12