Q:

# What are the factors of 126?

A:

The factors of 126 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63 and 126. The prime factors of 126 are 2, 3 and 7.

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The factors of a number of interest refer to all the numbers that are smaller or equal to the number of interest that can be divided into it evenly. This means that there is no remainder left after the division. The opposite of a factor is a multiple, which refers to numbers obtained by multiplying a number of interest by integers. For example, the number 3 has multiples of 6, 9, 126 and many more.

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## Related Questions

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The factors of 21 are 1, 3, 7 and 21. A factor is a number that can divide evenly into a given number. Because 21 can be divided by numbers other than itself and 1, it is called a composite number.

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The factors of 78 are 1, 2, 3, 6, 13, 26, 39 and 78. The factors of a number are found by breaking the number down into all the combinations of positive integers that can be combined through multiplication to form the number. This is called factorization.

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To factor a trinomial in the form ax^2 + bx + c, find all of the factor pairs that multiply into c, and isolate the pair that also adds up to form b. Substitute the pairs of factors into a pair of binomials that multiply together.