Why is the number 2 a prime or composite?

2 is prime because it is a positive integer only divisible by itself and 1.

2 is the smallest prime.

A composite number is one that has more than one prime factor. 4 = 2·2 is composite, for example.

The number 1 is neither prime nor composite.

answer: 21$

step-by-step explanation:

$42 / $14 = 3   (ratio 3: 1)

$7 x 3 = $21

only 10/60 isn't equivalent

hope this : )