Is 426 a prime number?
No, 426 is not a prime number. It is divisible by 2: 426 = 2 × 213.
Is 426 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 √426 ≈ 20.64. If none of them divides 426, it is prime.
- 3
2 divides 426 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 426 = 2 \times 3 \times 71 \]
Testing 426 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 426 ÷ 2 | divides exactly (213) |
| 3 | 426 ÷ 3 | divides exactly (142) |
| 5 | 426 ÷ 5 | leaves 1 |
| 7 | 426 ÷ 7 | leaves 6 |
| 11 | 426 ÷ 11 | leaves 8 |
| 13 | 426 ÷ 13 | leaves 10 |
| 17 | 426 ÷ 17 | leaves 1 |
| 19 | 426 ÷ 19 | leaves 8 |
Questions
Is 426 a prime number?
No, 426 is not a prime number. It is divisible by 2: 426 = 2 × 213.
What is the next prime after 426?
431.
What is the prime number before 426?
421.
What are the factors of 426?
1, 2, 3, 6, 71, 142, 213, 426.