No, 102 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
102 has divisors other than 1 and itself. The smallest is 2: 102 ÷ 2 = 51.
Prime factorization: 102 = 2 × 3 × 17.
| Number | Prime? |
|---|---|
| 98 | No, 2 × 7 × 7 |
| 99 | No, 3 × 3 × 11 |
| 100 | No, 2 × 2 × 5 × 5 |
| 101 | Yes |
| 103 | Yes |
| 104 | No, 2 × 2 × 2 × 13 |
| 105 | No, 3 × 5 × 7 |
| 106 | No, 2 × 53 |
More about 102: factors of 102 · 102 squared · square root of 102 · 102 in binary · 102 in Roman numerals.
Another number? Use the prime number checker for any value, or see the list of prime numbers.