FACTOR TREE OF 121
Factorization tree of 121 is shown below.
(121 = 112)
The only prime factor of 121 is 11
Prime factorization of 121 is as following.
Without Exponents: 121 = 11 × 11
With Exponents: 121 = 112
In addition to the upside-down division method, in order to produce the prime factorization of a composite number, we can use factor trees.
At every step, we find two factors of a composite number at one of the ends of the tree. We repeat the process until all ends are prime.