1 996 013 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
1760764344949361	16	50.6	old
3030265049697810111098788559	28	91.3	2021-03-23 07:58:33

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	64 / 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	F4A4AD4D95B7D144	1	0	1	3
Verified (Factored)	2017-11-13	kkmrkkblmbrbk	F4A4AD4D95B7D144	1	1119395	1	3
Verified	2021-03-26	LLangley	02ABF70D71452DB4	2	1486818	5	3

History

Date	User	Type	Result
2022-08-15	USAFSS	NF-PM1	B1=132000, B2=134381520
2021-03-26	Ben Delo	CERT	PRP Certification Proof certified good
2021-03-26	LLangley	C-PRP	M1996013/1760764344949361/3030265049697810111098788559 : 02ABF70D71452DB4 PRP proof power = 7 PRP: Verified Proof certified good
2021-03-23	Poao	F-ECM	Factor: 3030265049697810111098788559 / (ECM curve 7, B1=50000, B2=5000000, Sigma=579718933660689)
2017-11-13	kkmrkkblmbrbk	C-PRP	M1996013/1760764344949361 : F4A4AD4D95B7D144 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1996013/1760764344949361 : F4A4AD4D95B7D144 PRP: Verified (Factored) PRP without proof (not generated)