1 729 187 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
968344721	9	29.9	old
210797627289369802250489	24	77.5	2020-05-18 10:40:12
5182287030294741354674641	25	82.1	2019-06-12 02:02:25

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-30	alpertron	A955514C80FDBAEB	1	0	1	3
Verified (Factored)	2017-10-19	Oliver Kruse	A955514C80FDBAEB	1	1422305	1	3
Verified (Factored)	2019-06-12	Niels_Mache_Nextcloud	D5EE0D86F4ECC7C7	2	759005	5	3
Verified (Factored)	2019-06-13	kkmrkkblmbrbk	D5EE0D86F4ECC7C7	2	1234398	5	3
Verified	2020-05-18	M Miller	D5EE0D86F4ECC7C7	3	921277	5	3

History

Date	User	Type	Result
2020-05-18	M Miller	C-PRP	M1729187/968344721/210797627289369802250489/5182287030294741354674641 : D5EE0D86F4ECC7C7 PRP: Verified PRP without proof (not generated)
2020-05-18	TJAOI	F-ECM	Factor: 210797627289369802250489 / (ECM curve 65, B1=50000, B2=5000000)
2019-06-13	kkmrkkblmbrbk	C-PRP	M1729187/968344721/5182287030294741354674641 : D5EE0D86F4ECC7C7 PRP: Verified PRP without proof (not generated)
2019-06-12	Niels_Mache_Nextcloud	C-PRP	M1729187/968344721/5182287030294741354674641 : D5EE0D86F4ECC7C7 PRP: Verified PRP without proof (not generated)
2019-06-12	Chang Chia-Tche	F-ECM	Factor: 5182287030294741354674641 / (ECM curve 2, B1=50000, B2=5000000)
2017-10-19	Oliver Kruse	C-PRP	M1729187/968344721 : A955514C80FDBAEB PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M1729187/968344721 : A955514C80FDBAEB PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12