Factors of 26
There are 4 factors of 26 — the full list is below, with factor pairs, prime factorization, and divisibility notes.
Factors of 26
1, 2, 13, 26
Factor pairs of 26
- 1 × 26
- 2 × 13
Prime factorization of 26
26 = 2 × 13
Number facts
- 26 is a composite number.
- 26 has 4 factors.
- 26 is not a perfect square.
- The sum of all factors of 26 is 42.
Divisibility rules that apply to 26
- 26 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 26 are calculated
To find the factors of 26, every whole number from 1 up to the square root of 26(about 5.10) is tested for even division. 26 is even, and it divides evenly by 2, 13. Written as a product of primes, 26 = 2 × 13, which confirms every factor above is a combination of those prime building blocks.
Frequently asked questions about 26
How many factors does 26 have?
26 has 4 factors: 1, 2, 13, 26.
Is 26 a prime number?
No. 26 is composite because it has factors other than 1 and itself.
What are the factor pairs of 26?
The factor pairs of 26 are 1 × 26, 2 × 13.
What is the prime factorization of 26?
The prime factorization of 26 is 2 × 13.