Three.
Factorize of the above numbers :
27 = 33
36 = 22 • 32
48 = 24 • 3
Build a prime factors table
Number of times each prime factor
appears in the factorization of :
Prime
Factor Number
27 Number
36 Number
48 G.C.F
(min)
2 0 2 4 0
3 3 2 1 1
GCF = 3
Greatest Common Factor is :
3