Is 979 a prime number?
No, 979 is not a prime number. It is divisible by 11: 979 = 11 × 89.
Is 979 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 √979 ≈ 31.29. If none of them divides 979, it is prime.
- 3
11 divides 979 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 979 = 11 \times 89 \]
Testing 979 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 979 ÷ 2 | leaves 1 |
| 3 | 979 ÷ 3 | leaves 1 |
| 5 | 979 ÷ 5 | leaves 4 |
| 7 | 979 ÷ 7 | leaves 6 |
| 11 | 979 ÷ 11 | divides exactly (89) |
| 13 | 979 ÷ 13 | leaves 4 |
| 17 | 979 ÷ 17 | leaves 10 |
| 19 | 979 ÷ 19 | leaves 10 |
| 23 | 979 ÷ 23 | leaves 13 |
| 29 | 979 ÷ 29 | leaves 22 |
| 31 | 979 ÷ 31 | leaves 18 |
Questions
Is 979 a prime number?
No, 979 is not a prime number. It is divisible by 11: 979 = 11 × 89.
What is the next prime after 979?
983.
What is the prime number before 979?
977.
What are the factors of 979?
1, 11, 89, 979.