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Q:

# What are the factors of 15?

A:

The factors of 15 are three and five. The factors of 15 are the numbers that 15 can be divided by to give a whole number. Because every number is divisible by itself and one, the numbers one and 15 are not usually defined as being factors of 15.

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The numbers three and five are prime factors of 15, as they are both prime numbers. A prime number is a number that is only divisible by itself and one. Although 15 has only prime factors, many other numbers have both prime and nonprime factors. For example, two and three are prime factors of 12, and four and six are the nonprime factors of 12.

## Related Questions

• A:

The factors of the number 91 are 1, 7, 13 and 91. The factors of a number are obtained by dividing that number by other numbers. If a number is less than or equal to 91 and divides 91 exactly without leaving a remainder, it is a factor of 91.

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• A:

The factors of 44 are 1, 2, 4, 11, 22 and 44. These are the numbers that, when multiplied together, give a product of 44—1 x 44 = 44, 2 x 22 = 44, and 4 x 11 = 44.

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• A:

The factors of 34 are 1, 2, 17, 34, -1, -2, -17 and -34. Factors of a number can be multiplied to get the original number as an end result. For example, 2 times 17 equals 34.