Definition of Greatest Common Factor (GCF) The highest factor that divides exactly into two or more numbers.
Find the GCF of 21 and 52
21
52
Find the GCF of 10 and 50
10
50
Find the GCF of 12 and 80
12
80
Definition of Least/Lowest Common Multiple (LCM)
The smallest positive number that is a multiple of two or more numbers.
Find the LCM of 12 and 18
12
18
Find the LCM of 16 and 17

16

17

Find the LCM of 14 and 23

14

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?