What is the greatest common factor for 14 70 84?

Answer 1

The factors of 14 are:

1, 2, 7, 14

The factors of 49 are:

1, 7, 49

The factors of 56 are:

1, 2, 4, 7, 8, 14, 28, 56

The factors of 84 are:

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

The common factors are:

1, 7

The Greatest Common Factor:

GCF = 7

Answer 2

To find the greatest common factor of 49 and 84, one must first find the factors of each number.

Factors of 49: 1, 7, and 49

Factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84

The factors that are common to both 84 and 49 are 1 and 7. Between 1 and 7, 7 has the greatest value, therefore 7 is the greatest common factor.

Answer 3

You list the factors of each one, and then look for the biggest number that

shows up on every list.

Factors of 14: 1, 2, 7, and 14

Factors of 49: 1, 7, and 49

Factors of 56: 1, 2, 4, 7, 8, 14, 28, and 56

Factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84

Common factors (numbers that are on every list): 1 and 7 .

Greatest common factor of all 4 numbers: 1

Answer 4

Factors of 14: 1, 2, 7, 14

Factors of 35: 1, 5, 7, 35

Factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

GCF (14, 35, 84) = 7

Answer 5

The GCF is 14.