Q: What are the prime factor of 729?

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The factors of 729 are: 1 3 9 27 81 243 729The prime factor is 3

3, 9, 27, 81, 243, 729

3, 9, 27, 81, 243, and 729.

3, 9, 27, 81, 243, 729

36

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The only prime factor of 729 is 3.

The factors of 729 are: 1 3 9 27 81 243 729The prime factor is 3

The prime factors of 729 are 3x3x3x3x3x3 (or 36).

3, 9, 27, 81, 243, 729 and so on.

No. 729/3=243; 729/9=81

3^6 = 729

To find the prime factor form of a number, you need to divide it by prime numbers until no more divisions are possible. In this case, the digit sum of 729 is 9, so we know we can divide it by 9 (3x3). If we do this, we get 81. This is known from times tables to be 9x9. Thus the prime factorization of 729 is 3x3x3x3x3x3. This can also be written in prime power form as 36

3, 9, 27, 81, 243, 729 and so on.

3, 9, 27, 81, 243, 729

729 is not prime. 729 = 3 * 3 * 3 * 3 * 3 * 364 is not prime. 64 = 2 * 2 * 2 * 2 * 2 * 2

As a product of its prime factors in exponent form: 3^6 = 729

3, 9, 27, 81, 243, 729