Question

1. write the prime factorization of 111.

Explanation:

Step1: Test divisibility by smallest prime

Check if 111 is divisible by 3: $1+1+1=3$, which is divisible by 3.
$\frac{111}{3}=37$

Step2: Check if quotient is prime

37 is a prime number (only divisible by 1 and itself).

Answer:

$3 \times 37$