Is 4979 a prime number?
No, 4979 is not a prime number. It is divisible by 13: 4979 = 13 × 383.
Is 4979 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 √4979 ≈ 70.56. If none of them divides 4979, it is prime.
- 3
13 divides 4979 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 4979 = 13 \times 383 \]
Testing 4979 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 4979 ÷ 2 | leaves 1 |
| 3 | 4979 ÷ 3 | leaves 2 |
| 5 | 4979 ÷ 5 | leaves 4 |
| 7 | 4979 ÷ 7 | leaves 2 |
| 11 | 4979 ÷ 11 | leaves 7 |
| 13 | 4979 ÷ 13 | divides exactly (383) |
| 17 | 4979 ÷ 17 | leaves 15 |
| 19 | 4979 ÷ 19 | leaves 1 |
| 23 | 4979 ÷ 23 | leaves 11 |
| 29 | 4979 ÷ 29 | leaves 20 |
| 31 | 4979 ÷ 31 | leaves 19 |
| 37 | 4979 ÷ 37 | leaves 21 |
Questions
Is 4979 a prime number?
No, 4979 is not a prime number. It is divisible by 13: 4979 = 13 × 383.
What is the next prime after 4979?
4987.
What is the prime number before 4979?
4973.
What are the factors of 4979?
1, 13, 383, 4979.