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The factors of 100 are included in the factors of 200, but I did not use one to find the other.
Three
composite
If the numerator and the denominator have no common factors other than one, the fraction is already in its simplest form.
One has one factor. It is common with every other integer.
5 and 15
3 and 31 are both prime. Their only factors are themselves and 1, they share no common factors other than one.
Yes.
Because it has factors other than one and itself. It is a composite number and its factors are: 1,3,9,19,57 and 171.
It has all the factors of 42 on one side and the factors of 60 in the other part with factors for both in the middle.
It is the number one.
prime numbers