They are: -8 -5 -3 -1
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That would be a number line.
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.
Counting Numbers, Whole Numbers. You can't use Integers as that includes Negative numbers and there isn't a negative number of dolphins.
The negative greatest common factor is a meaningless term because it would always be -1. In this case, the GCF is 5.
GCF stands for Greatest Common Factor. A factor is a number that goes into another number a whole number of times, and for the GCF to be larger that the least of the numbers, it would go into one number a fraction of a time.