Is 104 a prime number?
No, 104 is not a prime number. It is divisible by 2: 104 = 2 × 52.
Is 104 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 √104 ≈ 10.20. If none of them divides 104, it is prime.
- 3
2 divides 104 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 104 = 2^{3} \times 13 \]Testing 104 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 104 ÷ 2 | divides exactly (52) |
| 3 | 104 ÷ 3 | leaves 2 |
| 5 | 104 ÷ 5 | leaves 4 |
| 7 | 104 ÷ 7 | leaves 6 |
Questions
Is 104 a prime number?
No, 104 is not a prime number. It is divisible by 2: 104 = 2 × 52.
What is the next prime after 104?
107.
What is the prime number before 104?
103.
What are the factors of 104?
1, 2, 4, 8, 13, 26, 52, 104.