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What is a composite number that has 8 as a factor?
Any multiple of 8
Is a factor ever a multiple?
Yes, but only in one circumstance. A number is both a factor and a multiple of itself.Examples:8 is a factor and a multiple of 8. The factors of 8 are 1, 2, 4, and 8. The multiples of 8 are 8, 16, 24, 32, 40, ...13 is a factor and a multiple of 13. The factors of 13 are 1 and 13. The multiples of 13 are 13, 26, 39, 52, 65, ...30 is a factor and a multiple of 30. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The multiples of 30 are 30, 60, 90, 120, 150, ...
Is 8 a multiple of 18?
No. A number cannot be a multiple of a number greater than it. 18 is greater than 8 so 8 cannot be a multiple of 18. Nor is 8 a factor of 18. The factors of a number are those numbers which divide into it without remainder.
Why are multiples of 2 and 4 not also a multiple of 8?
Because 2 is a factor of 4. If a number is a multiple of four, when you add that it is a multiple of 2 there is no extra information, no additional factor.
What is a multiple of 100 that has 8 as a factor?
400 is the smallest multiple of 100 that has 8 as a factor.
