Q:

# What is the cube root of 64?

A:

The cube root of 64 is 4. The cube root of a chosen number can be verified by multiplying a smaller number by itself three times in order to get the chosen number.

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The cube root of 64 is 4 because 4 times 4 equals 16, and 16 times 4 equals 64. The cube root of a number is similar to the square root of a number, except the latter is only to the power of two instead of three. Beyond the cube root is the fourth root, fifth root and so on. The key is how many times a number is multiplied by itself.

## Related Questions

• A:

The cube root of 250 is 6.29. The cube root of a number, x, is equal to the number, y, such that y times y times y equals x. For the number 250, 6.29 times 6.29 times 6.29 is equal to 250.

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• A:

To find the cube root of a number, find all of the number’s prime factors. A cube root is a number that, when cubed, gives the original number. If there are exactly three prime factors that are all the same, the number is a perfect cube.

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• A:

The divisibility rule for 7 dictates that a number is divisible by 7 if subtracting 2 times the digit in the one's column from the rest of the number, now excluding the one's column digit, yields a number that is divisible by 7 or 0. Divisibility rules are simple rules that can be used to quickly determine if a number is divisible by a smaller number without a calculator.