Is 1379 a prime number?
No, 1379 is not a prime number. It is divisible by 7: 1379 = 7 × 197.
Is 1379 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 √1379 ≈ 37.13. If none of them divides 1379, it is prime.
- 3
7 divides 1379 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 1379 = 7 \times 197 \]
Testing 1379 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 1379 ÷ 2 | leaves 1 |
| 3 | 1379 ÷ 3 | leaves 2 |
| 5 | 1379 ÷ 5 | leaves 4 |
| 7 | 1379 ÷ 7 | divides exactly (197) |
| 11 | 1379 ÷ 11 | leaves 4 |
| 13 | 1379 ÷ 13 | leaves 1 |
| 17 | 1379 ÷ 17 | leaves 2 |
| 19 | 1379 ÷ 19 | leaves 11 |
| 23 | 1379 ÷ 23 | leaves 22 |
| 29 | 1379 ÷ 29 | leaves 16 |
| 31 | 1379 ÷ 31 | leaves 15 |
| 37 | 1379 ÷ 37 | leaves 10 |
Questions
Is 1379 a prime number?
No, 1379 is not a prime number. It is divisible by 7: 1379 = 7 × 197.
What is the next prime after 1379?
1381.
What is the prime number before 1379?
1373.
What are the factors of 1379?
1, 7, 197, 1379.