FACTORS OF 45

45 has 6 factors.

Factors:

Factor Pairs:

• 1 × 45 = 45
• 3 × 15 = 45
• 5 × 9 = 45

DESCRIPTIONS

Factors of 45 can be found by ckecking the divisibility of 45 by the whole numbers 1 through $\mathbf{\sqrt{\color{chocolate}45}}$ ≈ 6.71. If a whole number divides 45 exactly, both

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

are the factors of 45.

OTHER INFORMATION

Prime factors of 45 are 3 and 5.