The factors of 20 are one, two, four, five, 10, 20, negative one, negative two, negative four, negative five, -10 and -20. The prime factors of 20 are two, four and five.
Know MoreThe factors are the numbers multiplied together to get a certain number. For instance, one and 20 are multiplied together to get 20. Similarly, negative four and negative five can be multiplied together to reach 20 because multiplying two negative numbers makes a positive number. The prime factors are the most basic prime numbers that can be multiplied together to reach a number. In this case, two times two is equal to four, and four multiplied by five is 20.
Learn more about ArithmeticThe factors of 70 are 1, 2, 5, 7, 10, 14, 35 and 70. They are the numbers that can be multiplied by one or more other numbers to get 70 as a product.
Full Answer >The factors of 10 are 1, 2, 5 and 10. These factors also include the negative numbers -1, -2, -5 and -10. A factor of a number is a whole number that can be divided from the original number resulting in a second whole number.
Full Answer >The factors of eighty-seven are one, three, twenty-nine, and eighty-seven. Three and twenty-nine are both prime numbers in this case -- there are no other factors.
Full Answer >The factors of 56 are 1, 2, 4, 7, 8, 14, 28 and 56. Of these factors, 1, 2 and 7 are prime numbers. Therefore, they are the prime factors of 56.
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