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What number has 2 3 and 5 as a factor?
Any multiple of 30.
What number is a factor of 30 and a multiple of 2?
The number that is a factor of 30 and a multiple of 2 is 2. A factor of a number divides it evenly without leaving a remainder, and in this case, 2 is a factor of 30 because 30 divided by 2 equals 15. Additionally, since 2 multiplied by 15 equals 30, 2 is also a multiple of 30.
What is the least common factor of 30 and 42?
The least common factor of 30 and 42 is the smallest number that is a factor of both of them and is 1.However, I suspect that you mean either:What is the highest common factor of 30 and 42?ie what is the highest number that is a factor of both 30 and 42: hcf = 6;What is the lowest common multiple of 30 and 42?ie that is the smallest number that is a multiple of both 30 and 42 lcm = 210.
Is 30 a factor of 15?
No, 30 is a multiple of 15.
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, ...
