42
21,2
7,3,2
42 21,2 7,3,2
A Factor tree looks like this:... 42... / . \..2 ...21....... / . \.......3 . 7So the prime factors of 42 are 2 x 3 x 7
42 21,2 7,3,2
42 21,2 7,3,2
42 21,2 7,3,2
42 21,2 7,3,2
42 21,2 7,3,2
A Factor tree looks like this: ... 42 ... / . \ ..2 ...21 ....... / . \ .......3 . 7 So the prime factors of 42 are 2 x 3 x 7
42 21,2 7,3,2
Use a factor tree. 42 21,2 7,3,2
Find the prime factorization. It doesn't matter if you use a factor tree, or rainbow or firework. For example: 42 42 21,2 3,7,2 The prime factorization of 42 is 2 x 3 x 7. The greatest prime factor is 7.
2, 3, 7