42,2 21,2,2 7,3,2,2
The factors of 84 are 1,2,3,4,6,7,12,14,21,28,42 and 84. To find a greatest common factor, you need to compare them to another number's factors.
84 42,2 21,2,2 7,3,2,2
84 42,2 21,2,2 7,3,2,2
84 42 2 21 2 2 square root of 21 84 2 42 factor tree 6 7 2 3
Since 12 is a factor of 84, all of its factors are common.
Since 21 is a factor of 84, all of its factors are common.
Since 21 is a factor of 84, it is automatically the GCF and all of its factors are common.
42,2 21,2,2 7,3,2,2
2,2,3,7
84 14 x 6 7x2 x 3x2
No. The prime factors of 84 are 2, 3 and 7.
It is 12. Beacause the factors of 36 are: 1,36,3,12,4,9,6 and the factors of 84 are: 1,84,7,12 12 is the highest factor that both numbers have in common.