need help DES brute key when have 1m sample plaintext

[kevinfox1777]

Hi, 

I have data with over 1m sample with plaintext like these 
- "2NO7EpjZZ4lXgnbl\/hXS4A==" equal "772128989"
- "dznyUcHJStQ=" equal "380"

so may be posible to brute force the encrypt key ?

thanks