2 112 007 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
238736493920167	15	47.8	old
8802344295294122998343	22	72.9	2021-10-04 07:42:52
928177224903983404337777	24	79.6	2019-09-18 18:27:46

ECM

Digits	B1	Curves
25	50000	135 / 280

Estimated T-Level: 22.4 ⓘ

TF below 2^69 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	600F9D69AC522893	1	0	1	3
Verified (Factored)	2017-11-17	kkmrkkblmbrbk	600F9D69AC522893	1	1474773	1	3
Verified (Factored)	2019-09-19	mnd9	4FB970622715712A	2	1962980	5	3
Verified (Factored)	2019-09-19	Igvan28	4FB970622715712A	2	283471	5	3
Verified	2021-10-04	SRJ2877	4FB970622715712A	3	1577221	5	3

History

Date	User	Type	Result
2021-10-04	voidf	CERT	PRP Certification Proof certified good
2021-10-04	SRJ2877	C-PRP	M2112007/238736493920167/8802344295294122998343/928177224903983404337777 : 4FB970622715712A PRP proof power = 7 PRP: Verified Proof certified good
2021-10-04	MarkS	F-ECM	Factor: 8802344295294122998343 / (ECM curve 14, B1=50000, B2=5000000, Sigma=5706956219882991)
2019-09-19	Igvan28	C-PRP	M2112007/238736493920167/928177224903983404337777 : 4FB970622715712A PRP: Verified (Factored) PRP without proof (not generated)
2019-09-19	mnd9	C-PRP	M2112007/238736493920167/928177224903983404337777 : 4FB970622715712A PRP: Verified (Factored) PRP without proof (not generated)
2019-09-18	xyuzyz	F-ECM	Factor: 928177224903983404337777 / (ECM curve 1, B1=50000, B2=5000000, Sigma=2863241631752313)
2017-11-17	kkmrkkblmbrbk	C-PRP	M2112007/238736493920167 : 600F9D69AC522893 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-07	Oliver Kruse	C-PRP	M2112007/238736493920167 : 600F9D69AC522893 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-20	alpertron	NF-PM1	B1=500000, B2=15000000, E=12