Prime Factorization of 162

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What is the Prime Factorization of 162?

Answer

Prime Factors of 162:

2, 3, 3, 3, 3

162 = 2 × 3⁴ · composite · 10 factors · 5 prime factors counting repeats

Division ladder

162	2
81	3
27	3
9	3
3	3
1

Left: what is left; right: the smallest prime that divides it; 1 at the bottom.

Second way — factor tree

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See Also

Factors of a Number - List all Factors and Factor Pairs of a Number
Prime Number Checker - Find out whether a given number is Prime or not
Prime Numbers List - List of all Prime Numbers - how many Prime numbers are between

Recalculate with different values ↑

Prime Factorization Table

Number	Prime Factors
147	3 × 7²
148	2² × 37
149	149
150	2 × 3 × 5²
151	151
152	2³ × 19
153	3² × 17
154	2, 7, 11
155	5, 31
156	2² × 3 × 13
157	157
158	2, 79
159	3, 53
160	2⁵ × 5
161	7, 23
162	2 × 3⁴
163	163
164	2² × 41
165	3, 5, 11
166	2, 83
167	167
168	2³ × 3 × 7
169	13²
170	2, 5, 17
171	3² × 19
172	2² × 43
173	173
174	2, 3, 29
175	5² × 7
176	2⁴ × 11

FAQ

What is the Prime Factorization of 162?

Prime Factors of 162: 2, 3, 3, 3, 3

How many prime factors does 162 have?

Number 162 has 5 prime factors counting repeats; 2 different: 2 and 3.

What is the Prime Factorization of 162 in exponential form?

The Prime Factorization of the number 162 in the exponential form is: 2 × 3⁴