Prime Factorization of 171

"Prime Factorization" Calculator

What is the Prime Factorization of 171?

Answer

Prime Factors of 171:

3, 3, 19

171 = 3² × 19 · composite · 6 factors · 3 prime factors counting repeats

Division ladder

171	3
57	3
19	19
1

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

Second way — factor tree

Related Calculations

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
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
177	3, 59
178	2, 89
179	179
180	2² × 3² × 5
181	181
182	2, 7, 13
183	3, 61
184	2³ × 23
185	5, 37

FAQ

What is the Prime Factorization of 171?

Prime Factors of 171: 3, 3, 19

How many prime factors does 171 have?

Number 171 has 3 prime factors counting repeats; 2 different: 3 and 19.

What is the Prime Factorization of 171 in exponential form?

The Prime Factorization of the number 171 in the exponential form is: 3² × 19