The factors of 28 are:
1, 2, 4, 7, 14, 28
The factors of 42 are:
1, 2, 3, 6, 7, 14, 21, 42
The factors of 84 are:
1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The common factors are: 1, 2, 7, 14
The common factors of 21 42 and 84 are 21
The common factors of 28 and 84 are 1,2,4,7,14 and 28
The common factors of 28 and 84 are 1,2,4,7,14 and 28.
The common factors are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
Yes. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84. The common factors are 1, 2, 3, 6, 7, 14, 21, and 42. One of the common factors is 6.
LCM(21, 28, 42) = 84.
The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84. For them to be common, they need to be compared to another set of factors.
The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84. For them to be common, they need to be compared to another set of factors.
The Least Common Multiple (LCM) for 28 42 is 84.
It is: 84
The factors of 57 are:1, 3, 19, 57The factors of 84 are:1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84The common factors are:1, 3
The GCF of 28 and 84 is 28.