Factors of 18
Answer
Factors: 1, 2, 3, 6, 9, 18
Number of factors: 6
Factor pairs: (1, 18), (2, 9), (3, 6)
Prime Factorization
18 = 2 × 32
Properties
- This number is not prime
- This number is not a perfect square
- This is an even number
- Sum of all factors: 39
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Understanding the Factors of 18
When we look at the number 18, we find that it has 6 factors in total. These are the numbers that divide evenly into 18 with no remainder.
This number is composite, meaning it has more than two factors. It can be written as the product of its prime factors: 2 × 32.
Factor Pairs
The factors of 18 can be arranged in pairs: (1, 18), (2, 9), (3, 6). Each pair multiplies to give 18.