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Q: Are 40 and 63 relatively prime numbers?

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30 and 63 are relatively prime numbers. The factors of 30 are 1, 2, 3, 5, and 30, and the factors of 63 are 1, 7, 9, and 63. Two or more numbers are relatively prime if 1 is their only common factor.

Yes.

No because they are all composite numbers

No, they are not relatively prime.

No, 63 and 74 are not relatively prime because they have a common factor of 1.

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30 and 63 are relatively prime numbers. The factors of 30 are 1, 2, 3, 5, and 30, and the factors of 63 are 1, 7, 9, and 63. Two or more numbers are relatively prime if 1 is their only common factor.

Yes.

No because they are all composite numbers

No, they are not relatively prime.

No, they are not relatively prime.

No, 63 and 74 are not relatively prime because they have a common factor of 1.

Yes, 143 and 63 are relatively prime because they have no prime factors in common.

You can calculate the gcf (greatest common factor) of the two numbers; one quick way to do this is using Euclid's algorithm.If the gcf of two numbers is 1, then the numbers are relatively prime.

No because they are both composite numbers that have more than two factors.

No.

No, they are not.

40 and 63 have no common prime factors.