Is 548 a prime number?
No, 548 is not a prime number. It is divisible by 2: 548 = 2 × 274.
Is 548 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 √548 ≈ 23.41. If none of them divides 548, it is prime.
- 3
2 divides 548 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 548 = 2^{2} \times 137 \]Testing 548 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 548 ÷ 2 | divides exactly (274) |
| 3 | 548 ÷ 3 | leaves 2 |
| 5 | 548 ÷ 5 | leaves 3 |
| 7 | 548 ÷ 7 | leaves 2 |
| 11 | 548 ÷ 11 | leaves 9 |
| 13 | 548 ÷ 13 | leaves 2 |
| 17 | 548 ÷ 17 | leaves 4 |
| 19 | 548 ÷ 19 | leaves 16 |
| 23 | 548 ÷ 23 | leaves 19 |
Questions
Is 548 a prime number?
No, 548 is not a prime number. It is divisible by 2: 548 = 2 × 274.
What is the next prime after 548?
557.
What is the prime number before 548?
547.
What are the factors of 548?
1, 2, 4, 137, 274, 548.