Factors of 46
There are 4 factors of 46 — the full list is below, with factor pairs, prime factorization, and divisibility notes.
Factors of 46
1, 2, 23, 46
Factor pairs of 46
- 1 × 46
- 2 × 23
Prime factorization of 46
46 = 2 × 23
Number facts
- 46 is a composite number.
- 46 has 4 factors.
- 46 is not a perfect square.
- The sum of all factors of 46 is 72.
Divisibility rules that apply to 46
- 46 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 46 are calculated
To find the factors of 46, every whole number from 1 up to the square root of 46(about 6.78) is tested for even division. 46 is even, and it divides evenly by 2, 23. Written as a product of primes, 46 = 2 × 23, which confirms every factor above is a combination of those prime building blocks.
Frequently asked questions about 46
How many factors does 46 have?
46 has 4 factors: 1, 2, 23, 46.
Is 46 a prime number?
No. 46 is composite because it has factors other than 1 and itself.
What are the factor pairs of 46?
The factor pairs of 46 are 1 × 46, 2 × 23.
What is the prime factorization of 46?
The prime factorization of 46 is 2 × 23.