299 723 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
105249601721521	15	46.6	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	442 / 640

Estimated T-Level: 28.5 ⓘ

TF below 2^90 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-22	Oliver Kruse	2E80A81C1649B9D4	1	0	1	3
Verified	2017-10-12	Oliver Kruse	2E80A81C1649B9D4	1	116979	1	3
Verified	2017-11-06	kkmrkkblmbrbk	2E80A81C1649B9D4	1	160649	1	3
Unverified (Reliable)	2020-04-17	Oliver Kruse	7FCC48AD71E2B6__	1	41690	5	3

History

Date	User	Type	Result
2023-12-11	USAFSS	NF-PM1	B1=3750000, B2=21060983580
2023-02-14	USAFSS	NF-PM1	B1=3500000, B2=16989188580
2022-02-06	Lisander Viaene	NF-PM1	B1=50000
2021-04-28	nordi	NF-PP1	Start=6/5, B1=10000000, B2=500000000
2021-04-22	nordi	NF-PP1	Start=2/7, B1=10000000, B2=500000000
2020-04-17	Oliver Kruse	C-PRP	M299723/105249601721521 : 7FCC48AD71E2B6__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-11-06	kkmrkkblmbrbk	C-PRP	M299723/105249601721521 : 2E80A81C1649B9D4 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-12	Oliver Kruse	C-PRP	M299723/105249601721521 : 2E80A81C1649B9D4 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M299723/105249601721521 : 2E80A81C1649B9D4 PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M299723/105249601721521 : 2E80A81C1649B9D4 PRP without proof (not generated)