The factors of 40 are:
1, 2, 4, 5, 8, 10, 20, 40
The factors of 84 are:
1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The common factors are:
1, 2, 4
The Greatest Common Factor:
GCF = 4
The greatest common factor of 84 , 40 = 4
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
Common factors of 15 and 84 are: 1 and 3.
LCM of 40 and 84 is 840
The common factors of 21 42 and 84 are 21
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.
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.
The common factors of 63 and 84 are: 1, 3, 7, and 21
The common factors of 78 and 84 are 1, 2, 3 and 6.
84 does not go into 40 evenly because 84 is greater than 40. In mathematical terms, we would say that 84 does not divide 40. The result of dividing 40 by 84 would be a quotient less than 1, with a remainder of 40.