Is 38 a prime number?

No, 38 is not a prime number. It is a composite number: it is even, so it is divisible by 2.

Why 38 is not prime

38 has divisors other than 1 and itself. The smallest is 2: 38 ÷ 2 = 19.

Prime factorization: 38 = 2 × 19.

Quick facts about 38

Even or odd: even.
Nearest primes: 37 below and 41 above.
Primes up to 38: 12.

Is it prime? Nearby numbers

Number	Prime?
34	No, 2 × 17
35	No, 5 × 7
36	No, 2 × 2 × 3 × 3
37	Yes
39	No, 3 × 13
40	No, 2 × 2 × 2 × 5
41	Yes
42	No, 2 × 3 × 7

More about 38: factors of 38 · 38 squared · square root of 38 · 38 in binary · 38 in Roman numerals.

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