2 473 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
4268907439	10	32.0	old
675776375918366488261673	24	79.2	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	16550 / 16550
55	110000000	13050 / 40830

Estimated T-Level: 51.6 ⓘ

TF below 2^166 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	5732757AEAD944F8	2	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	5732757AEAD944F8	2	84	1	3
Verified	2020-04-17	Oliver Kruse	652E1DB8EC51114B	2	464	5	3
Verified	2024-02-03	Wentao Huang	652E1DB8EC51114B	2	1411	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M2473/4268907439/675776375918366488261673 : 652E1DB8EC51114B PRP: Verified PRP without proof (small exponent)
2020-04-17	Oliver Kruse	C-PRP	M2473/4268907439/675776375918366488261673 : 652E1DB8EC51114B PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M2473/4268907439/675776375918366488261673 : 5732757AEAD944F8 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M2473/4268907439/675776375918366488261673 : 5732757AEAD944F8 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M2473/4268907439/675776375918366488261673 : 5732757AEAD944F8 PRP without proof (not generated)
2016-09-09	kkmrkkblmbrbk	NF-PM1	B1=500000000, B2=50000000000, E=12