Is 1010 a prime number?
No, 1010 is not a prime number. It is divisible by 2: 1010 = 2 × 505.
Is 1010 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 √1010 ≈ 31.78. If none of them divides 1010, it is prime.
- 3
2 divides 1010 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 1010 = 2 \times 5 \times 101 \]
Testing 1010 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 1010 ÷ 2 | divides exactly (505) |
| 3 | 1010 ÷ 3 | leaves 2 |
| 5 | 1010 ÷ 5 | divides exactly (202) |
| 7 | 1010 ÷ 7 | leaves 2 |
| 11 | 1010 ÷ 11 | leaves 9 |
| 13 | 1010 ÷ 13 | leaves 9 |
| 17 | 1010 ÷ 17 | leaves 7 |
| 19 | 1010 ÷ 19 | leaves 3 |
| 23 | 1010 ÷ 23 | leaves 21 |
| 29 | 1010 ÷ 29 | leaves 24 |
| 31 | 1010 ÷ 31 | leaves 18 |
Questions
Is 1010 a prime number?
No, 1010 is not a prime number. It is divisible by 2: 1010 = 2 × 505.
What is the next prime after 1010?
1013.
What is the prime number before 1010?
1009.
What are the factors of 1010?
1, 2, 5, 10, 101, 202, 505, 1010.