Is 130 a prime number?
No, 130 is not a prime number. It is divisible by 2: 130 = 2 × 65.
Is 130 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 √130 ≈ 11.40. If none of them divides 130, it is prime.
- 3
2 divides 130 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 130 = 2 \times 5 \times 13 \]
Testing 130 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 130 ÷ 2 | divides exactly (65) |
| 3 | 130 ÷ 3 | leaves 1 |
| 5 | 130 ÷ 5 | divides exactly (26) |
| 7 | 130 ÷ 7 | leaves 4 |
| 11 | 130 ÷ 11 | leaves 9 |
Questions
Is 130 a prime number?
No, 130 is not a prime number. It is divisible by 2: 130 = 2 × 65.
What is the next prime after 130?
131.
What is the prime number before 130?
127.
What are the factors of 130?
1, 2, 5, 10, 13, 26, 65, 130.