Is 24 a prime number?
No, 24 is not a prime number. It is divisible by 2: 24 = 2 × 12.
Is 24 prime?
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A prime number has exactly two factors: 1 and itself.
- 2
It is enough to test the primes up to √24 ≈ 4.90. If none of them divides 24, it is prime.
- 3
2 divides 24 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 24 = 2^{3} \times 3 \]Testing 24 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 24 ÷ 2 | divides exactly (12) |
| 3 | 24 ÷ 3 | divides exactly (8) |
Questions
Is 24 a prime number?
No, 24 is not a prime number. It is divisible by 2: 24 = 2 × 12.
What is the next prime after 24?
29.
What is the prime number before 24?
23.
What are the factors of 24?
1, 2, 3, 4, 6, 8, 12, 24.