66
33,2
11,3,2
66 33,2 11,3,2
61 is already prime. It doesn't need a tree.
66 33,2 11,3,2 There's no formula. Just divide your number and its factors by prime numbers until all the factors are prime.
The prime factors of 66 are: 2, 3 and 11
66 33,2 11,3,2
A factor tree is a visual metod of breaking down any number into its consituent set of prime number factors. in the case of 66: 66 = 33 x 2 = 11 x 3 x 2 where 11, 3 and 2 are prime numbers and cannot be split down further. Each slit can be represented visually as a branch with the composite numbers at rhe end of each twig giving the name as a factor 'tree'.
66 33,2 11,3,2
66 33,2 11,3,2
66 33,2 11,3,2
11
The prime factors of 66 are: 2, 3, 11. 2 x 3 x 11 = 66
66 33*22 11*6