. 258
. / . \
43 . 6
. . . / \
. .. 2. 3
(Ignore the dots, it wouldn't keep my spaces otherwise.)
The answer would be 2 x 3 x 43.
no
The factor tree is as follows: 114 57,2 19,3,2
The GCF of 217 and 258 is 1.
The GCF of 258 and 344 is 86.
No.
yes
991 is already prime. No tree is required.
13 is a prime number. It doesn't have a tree because its only prime factor is itself.
No you cannot. You might want to try the factor tree for 27.
15,3 3,5,3
119 7,17
39 3,13