3 967 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
63473	5	16.0	old
33282967072216901411185356481	29	94.7	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	13989 / 40830

Estimated T-Level: 51.7 ⓘ

TF below 2^167 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	1D415DAE18B78804	2	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	1D415DAE18B78804	2	458	1	3
Verified	2020-04-17	Oliver Kruse	47E46DDFAC8DD8A5	2	2587	5	3
Verified	2024-02-03	Wentao Huang	47E46DDFAC8DD8A5	2	3109	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M3967/63473/33282967072216901411185356481 : 47E46DDFAC8DD8A5 PRP: Verified PRP without proof (small exponent)
2023-05-14	JacobZ	NF-PM1	B1=66000000000, B2=5781650744289420
2021-09-09	Jinyuan Wang	NF-PM1	B1=1300000000, B2=13000000000, E=12
2020-04-17	Oliver Kruse	C-PRP	M3967/63473/33282967072216901411185356481 : 47E46DDFAC8DD8A5 PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M3967/63473/33282967072216901411185356481 : 1D415DAE18B78804 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M3967/63473/33282967072216901411185356481 : 1D415DAE18B78804 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M3967/63473/33282967072216901411185356481 : 1D415DAE18B78804 PRP without proof (not generated)