1 837 349 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
370939126478177	15	48.4	old
13482429078913204099127	23	73.5	2020-06-23 09:13:14

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	135 / 640

Estimated T-Level: 26.1 ⓘ

TF below 2^82 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-04	Oliver Kruse	BC9F8631DD1974B4	1	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	BC9F8631DD1974B4	1	629336	1	3
Verified	2020-06-23	M Miller	AC21B7FFF0E87201	2	1112525	5	3
Verified	2020-07-03	oodaira	AC21B7FFF0E87201	2	509021	5	3

History

Date	User	Type	Result
2020-07-03	oodaira	C-PRP	M1837349/370939126478177/13482429078913204099127 : AC21B7FFF0E87201 PRP: Verified PRP without proof (not generated)
2020-06-23	M Miller	C-PRP	M1837349/370939126478177/13482429078913204099127 : AC21B7FFF0E87201 PRP: Verified PRP without proof (not generated)
2020-06-23	nordi	F-ECM	Factor: 13482429078913204099127 / (ECM curve 1, B1=50000, B2=5000000, Sigma=500110229138059)
2017-11-06	kkmrkkblmbrbk	C-PRP	M1837349/370939126478177 : BC9F8631DD1974B4 PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1837349/370939126478177 : BC9F8631DD1974B4 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12