The factors of 21 are 1,3,7, and 21. The factors of 70 are 1,2,5,7,14,35, and 70 The common factors of 21 and 70 are 1 and 7.
The common factors of 27 and 36 are 1, 3 and 9.
The common factors of 36 and 40 are 1,2 and 4.
The GCF of 15, 36, and 70 is 1.The prime factorization of 15 is 3*5The prime factorization of 36 is 2*2*3*3The prime factorization of 70 is 2*5*7Since they have no common factors, they are coprime, and their GCF is 1.
The common factors of 36 and 99 are: 1, 3, 9
The factors of 21 are 1,3,7, and 21. The factors of 70 are 1,2,5,7,14,35, and 70 The common factors of 21 and 70 are 1 and 7.
The common factors of 18 and 36 are 18,9,6,3,2,1.
The common factors of 27 and 36 are 1, 3 and 9.
The common factors of 15 and 36 are: 1, 3.
The common factors of 36 and 40 are 1,2 and 4.
The common factors of 44 and 70 are: 1 and 2
Since 12 is a factor of 36, all of the factors of 12 are common to 36.
The common factors of 21 and 36 are 1 and 3
The GCF of 15, 36, and 70 is 1.The prime factorization of 15 is 3*5The prime factorization of 36 is 2*2*3*3The prime factorization of 70 is 2*5*7Since they have no common factors, they are coprime, and their GCF is 1.
The common factors of 36 and 63 are 1, 3 and 9
The common factors of 36 and 80 are: 1, 2, and 4
Since 9 is a factor of 36, all of its factors are common.