No, 46 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
46 has divisors other than 1 and itself. The smallest is 2: 46 ÷ 2 = 23.
Prime factorization: 46 = 2 × 23.
| Number | Prime? |
|---|---|
| 42 | No, 2 × 3 × 7 |
| 43 | Yes |
| 44 | No, 2 × 2 × 11 |
| 45 | No, 3 × 3 × 5 |
| 47 | Yes |
| 48 | No, 2 × 2 × 2 × 2 × 3 |
| 49 | No, 7 × 7 |
| 50 | No, 2 × 5 × 5 |
More about 46: factors of 46 · 46 squared · square root of 46 · 46 in binary · 46 in Roman numerals.
Another number? Use the prime number checker for any value, or see the list of prime numbers.