Is 1264 a prime number?
No, 1264 is not a prime number. It is divisible by 2: 1264 = 2 × 632.
Is 1264 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 √1264 ≈ 35.55. If none of them divides 1264, it is prime.
- 3
2 divides 1264 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 1264 = 2^{4} \times 79 \]Testing 1264 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 1264 ÷ 2 | divides exactly (632) |
| 3 | 1264 ÷ 3 | leaves 1 |
| 5 | 1264 ÷ 5 | leaves 4 |
| 7 | 1264 ÷ 7 | leaves 4 |
| 11 | 1264 ÷ 11 | leaves 10 |
| 13 | 1264 ÷ 13 | leaves 3 |
| 17 | 1264 ÷ 17 | leaves 6 |
| 19 | 1264 ÷ 19 | leaves 10 |
| 23 | 1264 ÷ 23 | leaves 22 |
| 29 | 1264 ÷ 29 | leaves 17 |
| 31 | 1264 ÷ 31 | leaves 24 |
Questions
Is 1264 a prime number?
No, 1264 is not a prime number. It is divisible by 2: 1264 = 2 × 632.
What is the next prime after 1264?
1277.
What is the prime number before 1264?
1259.
What are the factors of 1264?
1, 2, 4, 8, 16, 79, 158, 316, 632, 1264.