Is 2990 a prime number?
No, 2990 is not a prime number. It is divisible by 2: 2990 = 2 × 1495.
Is 2990 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 √2990 ≈ 54.68. If none of them divides 2990, it is prime.
- 3
2 divides 2990 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 2990 = 2 \times 5 \times 13 \times 23 \]
Testing 2990 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 2990 ÷ 2 | divides exactly (1495) |
| 3 | 2990 ÷ 3 | leaves 2 |
| 5 | 2990 ÷ 5 | divides exactly (598) |
| 7 | 2990 ÷ 7 | leaves 1 |
| 11 | 2990 ÷ 11 | leaves 9 |
| 13 | 2990 ÷ 13 | divides exactly (230) |
| 17 | 2990 ÷ 17 | leaves 15 |
| 19 | 2990 ÷ 19 | leaves 7 |
| 23 | 2990 ÷ 23 | divides exactly (130) |
| 29 | 2990 ÷ 29 | leaves 3 |
| 31 | 2990 ÷ 31 | leaves 14 |
| 37 | 2990 ÷ 37 | leaves 30 |
Questions
Is 2990 a prime number?
No, 2990 is not a prime number. It is divisible by 2: 2990 = 2 × 1495.
What is the next prime after 2990?
2999.
What is the prime number before 2990?
2971.
What are the factors of 2990?
1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990.