Is 473 a prime number?
No, 473 is not a prime number. It is divisible by 11: 473 = 11 × 43.
Is 473 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 √473 ≈ 21.75. If none of them divides 473, it is prime.
- 3
11 divides 473 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 473 = 11 \times 43 \]
Testing 473 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 473 ÷ 2 | leaves 1 |
| 3 | 473 ÷ 3 | leaves 2 |
| 5 | 473 ÷ 5 | leaves 3 |
| 7 | 473 ÷ 7 | leaves 4 |
| 11 | 473 ÷ 11 | divides exactly (43) |
| 13 | 473 ÷ 13 | leaves 5 |
| 17 | 473 ÷ 17 | leaves 14 |
| 19 | 473 ÷ 19 | leaves 17 |
Questions
Is 473 a prime number?
No, 473 is not a prime number. It is divisible by 11: 473 = 11 × 43.
What is the next prime after 473?
479.
What is the prime number before 473?
467.
What are the factors of 473?
1, 11, 43, 473.