Question

What is the prime factorization of 84?
A) 2²×3²
B) 2³×7
C) 3³×7
D) 2²×3×7

Answer 1

2³ x 11.

Explanation:

88 is a composite number. 88 = 1 x 88, 2 x 44, 4 x 22, and 8 x 11. Factors of 88: 1, 2, 4, 8, 11, 22, 44, 88. Prime factorization: 88 = 2 x 2 x 2 x 11 which can also be written 88 = 2³ x 11

Answer 2

2^2x3x7

Explanation:

2x2 = 4

4 x 3 = 12

7x12 = 84