Prime Factorization of 243

"Prime Factorization" Calculator

What is the Prime Factorization of 243?

Answer

Prime Factors of 243:

3, 3, 3, 3, 3

243 = 3⁵ · composite · 6 factors · 5 prime factors counting repeats

Division ladder

243	3
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

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
228	2² × 3 × 19
229	229
230	2, 5, 23
231	3, 7, 11
232	2³ × 29
233	233
234	2 × 3² × 13
235	5, 47
236	2² × 59
237	3, 79
238	2, 7, 17
239	239
240	2⁴ × 3 × 5
241	241
242	2 × 11²
243	3⁵
244	2² × 61
245	5 × 7²
246	2, 3, 41
247	13, 19
248	2³ × 31
249	3, 83
250	2 × 5³
251	251
252	2² × 3² × 7
253	11, 23
254	2, 127
255	3, 5, 17
256	2⁸
257	257

FAQ

What is the Prime Factorization of 243?

Prime Factors of 243: 3, 3, 3, 3, 3

How many prime factors does 243 have?

Number 243 has 5 prime factors counting repeats; 1 different: 3.

What is the Prime Factorization of 243 in exponential form?

The Prime Factorization of the number 243 in the exponential form is: 3⁵