5 064 557 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
717407154049889773644623	24	79.2	2021-11-05 11:38:19

ECM

Digits	B1	Curves
25	50000	14 / 280

Estimated T-Level: 20.3 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	1998-07-11	SUZUKI,Jiro	3B6101E7C64764B8	0
Verified (Factored)	2000-06-23	Stephen Wood	3B6101E7C64764B8	3144680

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-11-05	ATH	B0DD4CF7B18F8B9A	1	1664529	5	3

History

Date	User	Type	Result
2021-11-05	curtisc	CERT	PRP Certification Proof certified good
2021-11-05	ATH	C-PRP	M5064557/717407154049889773644623 : B0DD4CF7B18F8B9A PRP proof power = 7 PRP: Verified Proof certified good
2021-11-05	ATH	F-PP1	Start=2/7, B1=2500000, Factor: 717407154049889773644623
2021-04-03	-Anonymous-	NF	no factor from 2^71 to 2^72
2021-04-01	-Anonymous-	NF	no factor from 2^70 to 2^71
2021-04-01	-Anonymous-	NF	no factor from 2^69 to 2^70
2021-01-25	TJAOI	NF	no factor from 2^68 to 2^69
2018-06-11	ramgeis	NF	no factor from 2^67 to 2^68
2017-07-03	mikr	NF-PM1	B1=1500000, B2=45000000, E=12
2016-05-22	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-08-02	snme2pm1	NF	no factor from 2^65 to 2^66
2014-12-14	VictordeHollander	NF	no factor from 2^64 to 2^65
2014-12-14	VictordeHollander	NF	no factor from 2^63 to 2^64
2009-08-11	USAFSS	NF-PM1	B1=60000, B2=1065000, E=6
2009-08-08	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2008-12-29	Sturle Sunde	NF	no factor from 2^61 to 2^62