Step-by-step solution to find the factors and factor pairs of 18:
- If a whole number divides 18 evenly (remainder = 0), then it is a factor of 18 (divisor factor), and the corresponding quotient is also a factor of 18 (quotient factor)
- Divisor factors and quotient factors form a complete list of the factors and factor pairs of 18
- With the exception of 0, all whole numbers less than or equal to the square root of 18 (√18 ) are possible divisor factors of 18
- √18 = 4.2426
- Possible Divisor Factors of 18: 1, 2, 3, 4
- Filter list of possible divisor factors by testing divisibility of 18 by 2, 3, and 4
- Possible Divisor Factors of 18 (filtered): 1, 2, 3
- Divide 18 by the possible divisor factors in the filtered list
- Factors of 18: 1, 2, 3, 6, 9, 18
- Factor Pairs of 18: (1*18) (2*9) (3*6)
- Note: the first number in each factor pair is a divisor factor and the second number is a corresponding quotient factor