Prime Factorization of 189

"Prime Factorization" Calculator

What is the Prime Factorization of 189?

Answer

Prime Factors of 189:

3, 3, 3, 7

189 = 3³ × 7 · composite · 8 factors · 4 prime factors counting repeats

Division ladder

189	3
63	3
21	3
7	7
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
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
186	2, 3, 31
187	11, 17
188	2² × 47
189	3³ × 7
190	2, 5, 19
191	191
192	2⁶ × 3
193	193
194	2, 97
195	3, 5, 13
196	2² × 7²
197	197
198	2 × 3² × 11
199	199
200	2³ × 5²
201	3, 67
202	2, 101
203	7, 29

FAQ

What is the Prime Factorization of 189?

Prime Factors of 189: 3, 3, 3, 7

How many prime factors does 189 have?

Number 189 has 4 prime factors counting repeats; 2 different: 3 and 7.

What is the Prime Factorization of 189 in exponential form?

The Prime Factorization of the number 189 in the exponential form is: 3³ × 7