1 508 407 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
436014093793	12	38.7	old
367482326611828298791	21	68.3	2018-10-30 14:59:19

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 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)	2017-10-01	Oliver Kruse	A5C68EDF138B7C3F	1	0	1	3
Verified (Factored)	2017-10-29	kkmrkkblmbrbk	A5C68EDF138B7C3F	1	225284	1	3
Verified	2018-10-30	rucio	D2AD516AE16FDAD9	2	408840	5	3
Verified	2018-11-02	Zero	D2AD516AE16FDAD9	2	5579	5	3

History

Date	User	Type	Result
2018-11-02	Zero	C-PRP	M1508407/436014093793/367482326611828298791 : D2AD516AE16FDAD9 PRP: Verified PRP without proof (not generated)
2018-10-30	rucio	C-PRP	M1508407/436014093793/367482326611828298791 : D2AD516AE16FDAD9 PRP: Verified PRP without proof (not generated)
2018-10-30	Chang Chia-Tche	F-ECM	Factor: 367482326611828298791 / (ECM curve 1, B1=50000, B2=5000000)
2017-10-29	kkmrkkblmbrbk	C-PRP	M1508407/436014093793 : A5C68EDF138B7C3F PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1508407/436014093793 : A5C68EDF138B7C3F PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12