Determine GCF(50,75)
GCF = Largest factor that divides numbers
Determine the factors for 50
1,2,5,10,25,50
Determine the factors for 75
1,3,5,15,25
List the common factors
1,5,25
GCF(50,75) = 25
GCF(50,75) = 25
Evaluate GCF
Since GCF ≠ 1, they are not relatively prime (co-prime)
Since GCF ≠ 1 and have a difference of two, the numbers are not twin prime
Calculate LCM for the following
(50,75)
List the first few multiples for 50
50,100,150,200,250,300
List the first few multiples for 75
75,150,225,300,375
LCM is the smallest common number:
LCM(50,75) is 150
LCM(50,75) is 150
