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# What are the factors of 25?

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Calculating the factors of 25 is straightforward as they are 1, 5 and 25. The first two factors to be ascertained, sometimes the only two factors, are the number itself and 1. Also, any number that can be divided by itself becomes a factor.

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A factor is a number that can evenly be divided into another number. Any number can be divided by itself and one, so those two numbers are always factors. Numbers that can only be divided by 1 and themselves are called prime numbers. When two numbers have no prime factors in common, its greatest common factor is 1. Some numbers have several factors, and some numbers have just the number and 1.

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## Related Questions

• A:

The factors of 50 are 1, 2, 5, 10, 25 and 50. The factors of a number can be found by determining which numbers evenly divide into a given number.

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• A:

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:

The factors of 51 are 1, 3, 17 and 51. Therefore, 51 has a total of four factors. Every number has at least two factors, which include 1 and the number itself.