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Q: What prime number cubed is 729?

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

The only prime factor of 729 is 3.

3^6 = 729

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

9 does because 9 times 9 is 81and that times 9 is 729

729

729

0.2571

The cube root of 729 is 9.

9 cubed is equal to 729.

9 cubed is equal to 729.

It is nine.

It is divisible by 9.

36 = 729

729

9 x 9 x 9 = 729 9 cubed gives the answer 729 so the answer is 9 (please note 8 cubed is 512 and 10 cubed is 1000)

19

9 x 9 x 9 = 729

36 = 729

Composite; its factors are 1, 3, 9, 27, 81, 243, 729

Because three to the power of six is 729 which is not a prime number. :)

9 cubed = 93 = 9*9*9 = 729

729

A number can't be cubed and prime. Cubed numbers (other than 1) have more than two factors.

Any number to the 6th power will be both a squared number and a cubed number. The first 10 such numbers are: 1 64 729 4096 15625 46656 117649 262144 531441 1000000