Is 1207 a prime number?
No, 1207 is not a prime number. It is divisible by 17: 1207 = 17 × 71.
Is 1207 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 √1207 ≈ 34.74. If none of them divides 1207, it is prime.
- 3
17 divides 1207 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 1207 = 17 \times 71 \]
Testing 1207 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 1207 ÷ 2 | leaves 1 |
| 3 | 1207 ÷ 3 | leaves 1 |
| 5 | 1207 ÷ 5 | leaves 2 |
| 7 | 1207 ÷ 7 | leaves 3 |
| 11 | 1207 ÷ 11 | leaves 8 |
| 13 | 1207 ÷ 13 | leaves 11 |
| 17 | 1207 ÷ 17 | divides exactly (71) |
| 19 | 1207 ÷ 19 | leaves 10 |
| 23 | 1207 ÷ 23 | leaves 11 |
| 29 | 1207 ÷ 29 | leaves 18 |
| 31 | 1207 ÷ 31 | leaves 29 |
Questions
Is 1207 a prime number?
No, 1207 is not a prime number. It is divisible by 17: 1207 = 17 × 71.
What is the next prime after 1207?
1213.
What is the prime number before 1207?
1201.
What are the factors of 1207?
1, 17, 71, 1207.