Factors of 24
There are 8 factors of 24 — the full list is below, with factor pairs, prime factorization, and divisibility notes.
Factors of 24
1, 2, 3, 4, 6, 8, 12, 24
Factor pairs of 24
- 1 × 24
- 2 × 12
- 3 × 8
- 4 × 6
Prime factorization of 24
24 = 2³ × 3
Number facts
- 24 is a composite number.
- 24 has 8 factors.
- 24 is not a perfect square.
- The sum of all factors of 24 is 60.
Divisibility rules that apply to 24
- 24 is divisible by 2 because it ends in an even digit (0, 2, 4, 6, or 8).
- 24 is divisible by 3 because the sum of its digits (6) is divisible by 3.
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How the factors of 24 are calculated
To find the factors of 24, every whole number from 1 up to the square root of 24(about 4.90) is tested for even division. 24 is even, and it divides evenly by 2, 3, 4, 6, among others. Written as a product of primes, 24 = 2³ × 3, which confirms every factor above is a combination of those prime building blocks.
Frequently asked questions about 24
How many factors does 24 have?
24 has 8 factors: 1, 2, 3, 4, 6, 8, 12, 24.
Is 24 a prime number?
No. 24 is composite because it has factors other than 1 and itself.
What are the factor pairs of 24?
The factor pairs of 24 are 1 × 24, 2 × 12, 3 × 8, 4 × 6.
What is the prime factorization of 24?
The prime factorization of 24 is 2³ × 3.