1 983 409 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
11519639473	11	33.4	old
32901530286967	14	44.9	2008-08-26 20:20:26
5386954462988245497866883361	28	92.1	2021-06-05 23:24:00

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	59 / 640

Estimated T-Level: 25.5 ⓘ

TF below 2^80 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-05	Oliver Kruse	1E383B90510EFE39	2	0	1	3
Verified (Factored)	2017-11-12	kkmrkkblmbrbk	1E383B90510EFE39	2	1460030	1	3
Verified	2021-06-06	riccardo uberti	884CE82CFFFB9BBB	3	1094507	5	3

History

Date	User	Type	Result
2021-06-07	riccardo uberti	NF-PM1	B1=6000000, B2=120000000, E=12
2021-06-06	curtisc	CERT	PRP Certification Proof certified good
2021-06-06	riccardo uberti	C-PRP	M1983409/11519639473/32901530286967/5386954462988245497866883361 : 884CE82CFFFB9BBB PRP proof power = 7 PRP: Verified Proof certified good
2021-06-05	_p95holder_	F-ECM	Factor: 5386954462988245497866883361 / (ECM curve 5, B1=50000, B2=5000000)
2017-11-12	kkmrkkblmbrbk	C-PRP	M1983409/11519639473/32901530286967 : 1E383B90510EFE39 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1983409/11519639473/32901530286967 : 1E383B90510EFE39 PRP: Verified (Factored) PRP without proof (not generated)
2008-08-26	-Anonymous-	F	Factor: 32901530286967