GCF of 9 and 36
Determine GCF(9,36) GCF = Largest factor that divides numbers 1,3,9 1,2,3,4,6,9 1,3,9 GCF(9,36) = 9 GCF(9,36) = 9 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