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# What are the factors of 144?

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The factors of 144 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72 and 144. Of these factors, the only prime factors are two and three; the rest can be reduced further into their own factors if desired. The number 144 is also a perfect square since it is equal to 12 multiplied by 12.

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A factor is one of any set of two numbers that can be multiplied together to yield the original number, in this case 144. Factors can be identical in the case of perfect squares, where the set of two numbers are identical, like 12 and 12.

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## Related Questions

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The prime factors of 30 are 2, 3 and 5. In addition to being the factors of 30, the numbers 2, 3 and 5 are also prime numbers, which means that they can only be divided evenly by either the number 1 or by themselves. The numbers 2, 3 and 5 are also the first three prime numbers.

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Use a multiplication chart by looking at the factors on the vertical row and the factors on the horizontal row in order to determine what the numbers multiplied together equal. For example, find the number five on the vertical factors and look at the different products beneath the horizontal factors to see what five times zero equals, what five times one equals, what five times two equals and so on.

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The factors of 81 are 1, 3, 9, 27 and 81. If a number is divisible by another number, it is a factor of the given number. If there is a remainder, it cannot be a factor of the given number.