Question

PLEASE HELP FASTTT!!

Which number is a factor of 40?
2 x 5
2 x 20
2 x 2 x 2 x 5
2 x 2 x 4 x 5

Answer 1

2 x 20

Explanation:

2 x 20 = 40

Answer 2

2 x 2 x 2 x 5

Explanation:

40 = 4 * 10

Factor

= 2*2 * 5*2

Putting them in order from smallest to largest

= 2 *2 * 2 *5

2 x 5 = 10

2 x 20 =40 Factor of 40

2 x 2 x 2 x 5 = 40 Prime factorization of 40

2 x 2 x 4 x 5 = 80

I think you are looking for the prime factorization of 40, which means breaking the numbers down into primes.