FACTORS OF 18

18 has 6 factors.

Factors:

Factor Pairs:

• 1 × 18 = 18
• 2 × 9 = 18
• 3 × 6 = 18

DESCRIPTIONS

Factors of 18 can be found by ckecking the divisibility of 18 by the whole numbers 1 through $\mathbf{\sqrt{\color{chocolate}18}}$ ≈ 4.24. If a whole number divides 18 exactly, both

• the number itself and
• the result of the division by that number

are the factors of 18.

OTHER INFORMATION

Prime factors of 18 are 2 and 3.