Factors of 38
There are 4 factors of 38 — the full list is below, with factor pairs, prime factorization, and divisibility notes.
Factors of 38
1, 2, 19, 38
Factor pairs of 38
- 1 × 38
- 2 × 19
Prime factorization of 38
38 = 2 × 19
Number facts
- 38 is a composite number.
- 38 has 4 factors.
- 38 is not a perfect square.
- The sum of all factors of 38 is 60.
Divisibility rules that apply to 38
- 38 is divisible by 2 because it ends in an even digit (0, 2, 4, 6, or 8).
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How the factors of 38 are calculated
To find the factors of 38, every whole number from 1 up to the square root of 38(about 6.16) is tested for even division. 38 is even, and it divides evenly by 2, 19. Written as a product of primes, 38 = 2 × 19, which confirms every factor above is a combination of those prime building blocks.
Frequently asked questions about 38
How many factors does 38 have?
38 has 4 factors: 1, 2, 19, 38.
Is 38 a prime number?
No. 38 is composite because it has factors other than 1 and itself.
What are the factor pairs of 38?
The factor pairs of 38 are 1 × 38, 2 × 19.
What is the prime factorization of 38?
The prime factorization of 38 is 2 × 19.