Is 788 a prime number?
No, 788 is not a prime number. It is divisible by 2: 788 = 2 × 394.
Is 788 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 √788 ≈ 28.07. If none of them divides 788, it is prime.
- 3
2 divides 788 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 788 = 2^{2} \times 197 \]Testing 788 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 788 ÷ 2 | divides exactly (394) |
| 3 | 788 ÷ 3 | leaves 2 |
| 5 | 788 ÷ 5 | leaves 3 |
| 7 | 788 ÷ 7 | leaves 4 |
| 11 | 788 ÷ 11 | leaves 7 |
| 13 | 788 ÷ 13 | leaves 8 |
| 17 | 788 ÷ 17 | leaves 6 |
| 19 | 788 ÷ 19 | leaves 9 |
| 23 | 788 ÷ 23 | leaves 6 |
Questions
Is 788 a prime number?
No, 788 is not a prime number. It is divisible by 2: 788 = 2 × 394.
What is the next prime after 788?
797.
What is the prime number before 788?
787.
What are the factors of 788?
1, 2, 4, 197, 394, 788.