Let's re-write this.
What pair of numbers has 7 as a common factor and 70 as a least common multiple?
There are a few answers. One possibility is 14 and 35.
There cannot be a common factor of just one number. To be common there need to be at least two numbers.
LCM(2, 70) = 70. The least common factor of any set of positive integers is 1.
The least common factor of any set of integers is 1.
The least common factor of any set of numbers is 1.
There cannot be a common factor (GCF) of just one number. To be common there need to be at least two numbers.
The least common factor is: 1The least common factor of any two or more positive integers is always 1.
The least common factor of any set of positive integers is 1.
The Least Common Multiple (LCM) for 42 70 84 is 420.The Greatest Common Factor (GCF) for 42 70 84 is 14.
The least common factor of any set of positive integers is 1.
7 and 70
The least common factor of any set of integers is 1.
Since 70 is a multiple of 14, it is the least common multiple. Or, you can determine it as you would any pair of numbers. The least common multiple of two numbers is the product of the two numbers divided by their greatest common factor. The greatest common factor of 14 and 70 is 14. Therefore, the least common multiple 14 x 70 ÷ 14 = 70.