28, 56, 84, 112, 140, 168, 196 . . .
The first four common multiples of 4 and 7 are 28, 56, 84, and 102
The LCF of 4 & 7 is... 1 ! There are no other common factors.
The factors of 4 are 1, 2, and 4. The factors of 7 are 1 and 7. The only common factor is 1.
The only factor common to 7 and 4 is 1 because 7 is prime.
Factors of 4: 1, 2, 4 Factors of 7: 1, 7 GCF (4, 7) = 1
The common factors of 4 and 34 are 1 and 2
The factors of 21 are: 1, 3, 7, 21The factors of 28 are: 1, 2, 4, 7, 14, 28The common factors are: 1, 7
Factors that are the same for two or more numbers are their common factors.What numbers are factors of both 7 and 8?Factors of 7 are 1, and 7.Factors of 8 are 1, 2, 4, and 8.Common factors are the numbers that are in both lists.So, 1 is the common factor of 7 and 8.
The common factors are: 1, 2, 4, 7, 14, 28
The common factors are: 1, 2, 4, 7, 14, 28
The common factors are: 1, 2, 4, 7, 14, 28.
The factors of 63 are 1,3,7,9,21, and 63 The factors of 56 are 1,2,4,7,8,14,28 and 56. The factors that are shared are 1 and 7. So the common factors of 63 and 56 are 1 and 7.