3 484 141 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
20904847	8	24.3	old

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-07	Oliver Kruse	6930D1C79C218428	1	1700255	5	3
Verified	2017-12-16	kkmrkkblmbrbk	6930D1C79C218428	1	1189040	5	3

History

Date	User	Type	Result
2022-06-03	LordJulius	NF	no factor from 2^66 to 2^67
2022-01-14	Joss	NF-PM1	B1=1000000, B2=114656850
2021-12-23	Joss	NF	no factor from 2^68 to 2^69
2021-04-02	Joss	NF	no factor from 2^67 to 2^68
2021-02-24	Joss	NF	no factor from 2^65 to 2^66
2020-11-15	Joss	NF-PM1	B1=348414, B2=3484141, E=6
2020-10-21	Joss	NF-PM1	B1=116138
2017-12-16	kkmrkkblmbrbk	C-PRP	M3484141/20904847 : 6930D1C79C218428 PRP: Verified PRP without proof (not generated)
2017-11-07	Oliver Kruse	C-PRP	M3484141/20904847 : 6930D1C79C218428 PRP: Verified PRP without proof (not generated)