Question

Q1. what are the factors of 31?
Q2. what is the multiple of 18?
Q3. what is the factor tree of 12?
Q4. 15÷5=?
Q5. 21×8​

Answer 1

Answer:

Factors of 18: 1, 2, 3, 6, 9, 18. Factors of 19: 1, 19.

Answer 2

Step-by-step explanation:

1.) 31 has only two factors 1 and 31 as it is a prime number.

2.) The multiples of 18 are:

18,36,54,72,90...

3.) 12 = 2×2×3

4.) 3

5.) 168