Example: 30 and 42
Factor them.
2 x 3 x 5 = 30
2 x 3 x 7 = 42
Select the common factors.
2 x 3 = 6, the GCF
999 is the answerImproved Answer:-As a product of its prime factors: 2*3*3*5 = 90
The square root of 729 is 27 and as a product of its prime factors in exponents it is 36
186 2, 93 2, 3, 31
As a product of its prime factors: 2*2*2*3*3*3*3 = 648
As a product of its prime factors: 198 = 2*32*11
As a product of its prime factors: 3*5*31 = 465
As a product of its prime factors in exponents: 22*3*7 = 84
As a product of its prime factors: 2*3*3*7 = 126
As a product of its prime factors: 2*2*2*17*179 = 24344
The tree method is a diagram that does not display properly in this answer area.
999 is the answerImproved Answer:-As a product of its prime factors: 2*3*3*5 = 90
The square root of 729 is 27 and as a product of its prime factors in exponents it is 36
prime factors
378 189,2 63,3,2 21,3,3,2 7,3,3,3,2
186 2, 93 2, 3, 31
ladder method
As a product of its prime factors: 2*2*2*3*3*3*3 = 648