4 923 419 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
9846839	7	23.2	old
38638992313	11	35.2	2008-09-08 00:19:47
258114494909017	15	47.9	2008-09-08 00:19:47
32677883114755222319111	23	74.8	2019-08-09 21:56:44

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

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 (Factored)	2017-11-20	kkmrkkblmbrbk	B7F60F26BB6A4B74	3	3206410	5	3
Verified (Factored)	2018-04-11	Oliver Kruse	B7F60F26BB6A4B74	3	4867304	5	3
Verified	2019-08-10	Niels_Mache_Nextcloud	B7F60F26BB6A4B74	4	4181463	5	3

History

Date	User	Type	Result
2023-07-09	Stef42	NF-PM1	B1=10000000, B2=69324929310
2023-07-05	Stef42	NF-PM1	B1=10000000
2019-08-10	Niels_Mache_Nextcloud	C-PRP	M4923419/9846839/38638992313/258114494909017/32677883114755222319111 : B7F60F26BB6A4B74 PRP: Verified PRP without proof (not generated)
2019-08-09	MarkS	F-ECM	Factor: 32677883114755222319111 / (ECM curve 2, B1=50000, B2=5000000)
2018-04-11	Oliver Kruse	C-PRP	M4923419/9846839/38638992313/258114494909017 : B7F60F26BB6A4B74 PRP: Verified PRP without proof (not generated)
2017-11-20	kkmrkkblmbrbk	C-PRP	M4923419/9846839/38638992313/258114494909017 : B7F60F26BB6A4B74 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 258114494909017
2008-09-08	Will Edgington	F	Factor: 38638992313