699 943 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
170377798852811275058687	24	77.2	2013-12-01 03:06:17

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 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	Shift
Verified (Factored)		David Slowinski	E9D	0
Verified (Factored)		Ken Kriesel	E06AE3419C53CE9D	0
Verified (Factored)		Klaus Kastens	E06AE3419C53CE9D	627749

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-27	Oliver Kruse	AAC548CD1EDCE55F	1	0	1	3
Verified	2017-09-28	Oliver Kruse	AAC548CD1EDCE55F	1	0	1	3
Verified	2017-11-08	kkmrkkblmbrbk	AAC548CD1EDCE55F	1	6781	1	3
Unverified (Reliable)	2020-04-20	Oliver Kruse	8B3E73408B484F__	1	463216	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-04-20	Oliver Kruse	C-PRP	M699943/170377798852811275058687 : 8B3E73408B484F__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-11-08	kkmrkkblmbrbk	C-PRP	M699943/170377798852811275058687 : AAC548CD1EDCE55F PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-28	Oliver Kruse	C-PRP	M699943/170377798852811275058687 : AAC548CD1EDCE55F PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-27	Oliver Kruse	C-PRP	M699943/170377798852811275058687 : AAC548CD1EDCE55F PRP: Unverified (Reliable) PRP without proof (not generated)
2013-12-01	bam	F-ECM	Factor: 170377798852811275058687
2013-02-17	HBendtz	NF	no factor from 2^61 to 2^62
2012-04-25	kurly	NF-PM1	B1=10000000, B2=200000000, E=12
2012-02-17	Joss	NF-PM1	B1=527620
2011-07-19	Joss	NF-PM1	B1=316572
2010-06-30	Architects Cubed	NF	no factor from 2^60 to 2^61
2008-10-15	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-10-15	Sturle Sunde	NF	no factor from 2^58 to 2^59