No, 1,024 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
1,024 has divisors other than 1 and itself. The smallest is 2: 1,024 ÷ 2 = 512.
Prime factorization: 1,024 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 = 2¹⁰.
| Number | Prime? |
|---|---|
| 997 | Yes |
| 1,000 | No, 2 × 2 × 2 × 5 × 5 × 5 |
| 1,001 | No, 7 × 11 × 13 |
| 1,009 | Yes |
| 1,049 | Yes |
| 1,111 | No, 11 × 101 |
| 1,201 | Yes |
| 1,231 | Yes |
More about 1024: 1024 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.