Is 98 a prime number?

No, 98 is not a prime number. It is a composite number: it is even, so it is divisible by 2.

Why 98 is not prime

98 has divisors other than 1 and itself. The smallest is 2: 98 ÷ 2 = 49.

Prime factorization: 98 = 2 × 7 × 7 = 2 × 7².

Quick facts about 98

Is it prime? Nearby numbers

NumberPrime?
94No, 2 × 47
95No, 5 × 19
96No, 2 × 2 × 2 × 2 × 2 × 3
97Yes
99No, 3 × 3 × 11
100No, 2 × 2 × 5 × 5
101Yes
102No, 2 × 3 × 17

More about 98: factors of 98 · 98 squared · square root of 98 · 98 in binary · 98 in Roman numerals.

Another number? Use the prime number checker for any value, or see the list of prime numbers.