Which of the following lists all of the positive factors of 18?

Question

Mathematics

Miah Wang

19 July, 12:10

Which of the following lists all of the positive factors of 18?

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London Kirby · Answer 1

The square root of 18 is 4.2426, rounded down to the closest whole number is 4. Testing the integer values 1 through 4 for division into 18 with a 0 remainder we get these factor pairs: (1 and 18), (2 and 9), (3 and 6). The factors of 18 are 1, 2, 3, 6, 9, 18.