Is 1407 a prime number?
No, 1407 is not a prime number. It is divisible by 3: 1407 = 3 × 469.
Is 1407 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 √1407 ≈ 37.51. If none of them divides 1407, it is prime.
- 3
3 divides 1407 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 1407 = 3 \times 7 \times 67 \]
Testing 1407 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 1407 ÷ 2 | leaves 1 |
| 3 | 1407 ÷ 3 | divides exactly (469) |
| 5 | 1407 ÷ 5 | leaves 2 |
| 7 | 1407 ÷ 7 | divides exactly (201) |
| 11 | 1407 ÷ 11 | leaves 10 |
| 13 | 1407 ÷ 13 | leaves 3 |
| 17 | 1407 ÷ 17 | leaves 13 |
| 19 | 1407 ÷ 19 | leaves 1 |
| 23 | 1407 ÷ 23 | leaves 4 |
| 29 | 1407 ÷ 29 | leaves 15 |
| 31 | 1407 ÷ 31 | leaves 12 |
| 37 | 1407 ÷ 37 | leaves 1 |
Questions
Is 1407 a prime number?
No, 1407 is not a prime number. It is divisible by 3: 1407 = 3 × 469.
What is the next prime after 1407?
1409.
What is the prime number before 1407?
1399.
What are the factors of 1407?
1, 3, 7, 21, 67, 201, 469, 1407.