A box certains cards on which numbers 31, 32, 33,...., 69 and 70 are written (only one number on one card). A card is drawn from the box without looking into the box. What is the probability that the number on the card drawn is NOT a prime number?
1
\(\frac{9}{{40}}\)
2
\(\frac{{19}}{{20}}\)
3
\(\frac{1}{5}\)
4
\(\frac{{31}}{{40}}\)