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How do you know 25 and 36 are relatively prime?
25 and 36 are relatively prime because they both share 1 as a factor, but no other factor. As their only common factor is 1, they are relatively prime. Neither is a prime number itself, but it is about the common factors, so in relation to each other, they are relatively prime.
Are 36 and 80 relatively prime?
No, because 1 is not their only common factor. The number 3 is also a common factor.
What is the greatest common factor of 23 amd 36?
23 is a prime number, 36 is not a multiple of 23 so the HCF is 1.
Is factor string the same as factor tree?
Not really. A factor string is a multiplication sentence. A factor tree is a way of notating the process of finding the prime factorization of a given number. End result: 4 x 9 can be a factor string for 36, but can't be a prime factorization. The prime factorization of 36 is 2 x 2 x 3 x 3.
Is 9 a factor of 36?
No, 9 is a factor of 36.
