28
28.
The GCF of 8, 12, and 28 is 4 The greatest common factor is the highest number that divides exactly into two or more numbers The factors of 8 are 1, 2, 4, and 8 The factors of 12 are 1, 2, 3, 4, 6, and 12 The factors of 28 are 1, 2, 4, 7, 14, and 28 So the GCF of 8, 12 and 28 is 4.
The common factors are: 1, 2, 4
1 + 2 + 3 + 4 + 6 + 12 = 28
The factors of 12 are: 1, 2, 3, 4, 6, 12The factors of 28 are: 1, 2, 4, 7, 14, 28
28
28
28
The sum of all the positive factors of 12 is 28.
28.
1,2,4
The common factors of 12 and 28 are 1, 2 and 4
The GCF of 12, 16, 24, and 28 is 4.The factors of 12 are 1, 2, 3, 4, 6, and 12The factors of 28 are 1, 2, 4, 7, 14, and 28The factors of 16 are 1, 2, 4, 8, and 16The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24GCF (12, 28, 16, 24) = 4
The GCF of 8, 12, and 28 is 4 The greatest common factor is the highest number that divides exactly into two or more numbers The factors of 8 are 1, 2, 4, and 8 The factors of 12 are 1, 2, 3, 4, 6, and 12 The factors of 28 are 1, 2, 4, 7, 14, and 28 So the GCF of 8, 12 and 28 is 4.
The composite factors of 28 are 4, 14, 28 The composite factors of 24 are 4, 6, 8, 12, 24
The common factors are: 1, 2, 4