179 807 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
17261473	8	24.0	old
259669234544399	15	47.9	2009-01-25 15:09:17
8908820444602872157985947159	28	92.8	2020-07-21 13:10:52

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	211 / 1566

Estimated T-Level: 30.7 ⓘ

TF below 2^97 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-22	Oliver Kruse	D5C11CDCA8AE6556	2	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	D5C11CDCA8AE6556	2	164935	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	E30042D50973CA05	2	120584	5	3
Verified	2020-07-21	ATH	E30042D50973CA05	3	132321	5	3

History

Date	User	Type	Result
2020-07-21	ATH	C-PRP	M179807/17261473/259669234544399/8908820444602872157985947159 : E30042D50973CA05 PRP: Verified PRP without proof (small exponent)
2020-07-21	_p95holder_	F-ECM	Factor: 8908820444602872157985947159 / (ECM curve 2, B1=250000, B2=25000000)
2020-04-17	Oliver Kruse	C-PRP	M179807/17261473/259669234544399 : E30042D50973CA05 PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M179807/17261473/259669234544399 : D5C11CDCA8AE6556 PRP: Verified PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M179807/17261473/259669234544399 : D5C11CDCA8AE6556 PRP: Verified PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M179807/17261473/259669234544399 : D5C11CDCA8AE6556 PRP without proof (not generated)
2017-06-23	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=2000000000, E=12
2009-01-25	George Woltman	F	Factor: 259669234544399