Factors of 45 (Definition, List, Prime Factorization & Examples)
Last updated: Dec 2025
The factors of 45 are numbers that divide 45 exactly without leaving any remainder. These factors are useful in solving arithmetic problems and understanding number properties.
What Are the Factors of 45?
Any number that divides 45 completely is called a factor of 45.
List of Factors of 45
1, 3, 5, 9, 15, 45
How to Find the Factors of 45
Factor Pair Method
- 1 × 45
- 3 × 15
- 5 × 9
Prime Factorization of 45
45 = 3 × 3 × 5 = 3² × 5
Is 45 a Prime or Composite Number?
45 is a composite number.
Frequently Asked Questions
How many factors does 45 have?
45 has 6 factors.
Is 45 an odd number?
Yes, 45 is an odd number.
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