No, 448 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
448 has divisors other than 1 and itself. The smallest is 2: 448 ÷ 2 = 224.
Prime factorization: 448 = 2 × 2 × 2 × 2 × 2 × 2 × 7 = 2⁶ × 7.
| Number | Prime? |
|---|---|
| 444 | No, 2 × 2 × 3 × 37 |
| 445 | No, 5 × 89 |
| 446 | No, 2 × 223 |
| 447 | No, 3 × 149 |
| 449 | Yes |
| 450 | No, 2 × 3 × 3 × 5 × 5 |
| 451 | No, 11 × 41 |
| 452 | No, 2 × 2 × 113 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.