Is 988 a prime number?
No, 988 is not a prime number. It is divisible by 2: 988 = 2 × 494.
Is 988 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 √988 ≈ 31.43. If none of them divides 988, it is prime.
- 3
2 divides 988 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 988 = 2^{2} \times 13 \times 19 \]Testing 988 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 988 ÷ 2 | divides exactly (494) |
| 3 | 988 ÷ 3 | leaves 1 |
| 5 | 988 ÷ 5 | leaves 3 |
| 7 | 988 ÷ 7 | leaves 1 |
| 11 | 988 ÷ 11 | leaves 9 |
| 13 | 988 ÷ 13 | divides exactly (76) |
| 17 | 988 ÷ 17 | leaves 2 |
| 19 | 988 ÷ 19 | divides exactly (52) |
| 23 | 988 ÷ 23 | leaves 22 |
| 29 | 988 ÷ 29 | leaves 2 |
| 31 | 988 ÷ 31 | leaves 27 |
Questions
Is 988 a prime number?
No, 988 is not a prime number. It is divisible by 2: 988 = 2 × 494.
What is the next prime after 988?
991.
What is the prime number before 988?
983.
What are the factors of 988?
1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988.