No, 147 is not a prime number. It is a composite number: its digits add up to 12, which is divisible by 3, so 147 is divisible by 3.
147 has divisors other than 1 and itself. The smallest is 3: 147 ÷ 3 = 49.
Prime factorization: 147 = 3 × 7 × 7 = 3 × 7².
| Number | Prime? |
|---|---|
| 143 | No, 11 × 13 |
| 144 | No, 2 × 2 × 2 × 2 × 3 × 3 |
| 145 | No, 5 × 29 |
| 146 | No, 2 × 73 |
| 148 | No, 2 × 2 × 37 |
| 149 | Yes |
| 150 | No, 2 × 3 × 5 × 5 |
| 151 | Yes |
More about 147: factors of 147 · 147 squared · square root of 147 · 147 in binary · 147 in Roman numerals.
Another number? Use the prime number checker for any value, or see the list of prime numbers.