6 021 637 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
10357215641	11	33.3	old
974489083470784839236017	24	79.7	2021-07-22 08:34:34

ECM

Digits	B1	Curves
25	50000	10 / 280

Estimated T-Level: 20.2 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	21DDCA64B556B239	1	0	1	3
Verified (Factored)	2018-09-15	rucio	21DDCA64B556B239	1	628559	1	3
Verified	2021-07-22	ATH	9E18DA20337BA916	2	3863405	5	3

History

Date	User	Type	Result
2021-07-23	Dobri	CERT	PRP Certification Proof certified good
2021-07-22	ATH	C-PRP	M6021637/10357215641/974489083470784839236017 : 9E18DA20337BA916 PRP proof power = 7 PRP: Verified Proof certified good
2021-07-22	ATH	F-PP1	Start=2/7, B1=500000, B2=50000000, Factor: 974489083470784839236017
2018-09-15	rucio	C-PRP	M6021637/10357215641 : 21DDCA64B556B239 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M6021637/10357215641 : 21DDCA64B556B239 PRP: Verified (Factored) PRP without proof (not generated)