The prime factorization of 210 is 2 x 3 x 5 x 7. Every other factor can be made from those numbers. Remember to include 1.
1,2,3,5,7
(2x3, 2x5, 2x7) 6,10,14
Divide 210 by those numbers and you will have the other half of each factor pair.
15,21,30,35,42,70,105,210
With a factor tree, yes.
If completed correctly, the bottom branch of a factor tree will be the prime factorization of the number at the top.
7,2,2 14,2 28
50 25,2 5,5,2
Many people find factor trees to be the easiest.
The prime factorization.
You do a factor rainbow to find a prime factorization. You compare prime factorizations to find a greatest common factor.
factor tree
With a factor tree, yes.
If completed correctly, the bottom branch of a factor tree will be the prime factorization of the number at the top.
1
A factor tree
2x2x222
Find the prime factorization. Identify the distinct prime factors. Add them up.
The prime factorization of 52 is: 2 x 2 x 13
7,2,2 14,2 28
50 25,2 5,5,2