Is 1260 a prime number?
No, 1260 is not a prime number. It is divisible by 2: 1260 = 2 × 630.
Is 1260 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 √1260 ≈ 35.50. If none of them divides 1260, it is prime.
- 3
2 divides 1260 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 1260 = 2^{2} \times 3^{2} \times 5 \times 7 \]Testing 1260 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 1260 ÷ 2 | divides exactly (630) |
| 3 | 1260 ÷ 3 | divides exactly (420) |
| 5 | 1260 ÷ 5 | divides exactly (252) |
| 7 | 1260 ÷ 7 | divides exactly (180) |
| 11 | 1260 ÷ 11 | leaves 6 |
| 13 | 1260 ÷ 13 | leaves 12 |
| 17 | 1260 ÷ 17 | leaves 2 |
| 19 | 1260 ÷ 19 | leaves 6 |
| 23 | 1260 ÷ 23 | leaves 18 |
| 29 | 1260 ÷ 29 | leaves 13 |
| 31 | 1260 ÷ 31 | leaves 20 |
Questions
Is 1260 a prime number?
No, 1260 is not a prime number. It is divisible by 2: 1260 = 2 × 630.
What is the next prime after 1260?
1277.
What is the prime number before 1260?
1259.
What are the factors of 1260?
1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260.