Q: What are the factor combinations of the number 42,552,113?

 A:
Positive:   1 x 425521131499 x 28387
Negative: -1 x -42552113-1499 x -28387


How do I find the factor combinations of the number 42,552,113?

Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 42,552,113, it is easier to work with a table - it's called factoring from the outside in.

Outside in Factoring

We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.

1 42,552,113
-1 -42,552,113

Why are the negative numbers included?

When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 42,552,113.

Example:
1 x 42,552,113 = 42,552,113
and
-1 x -42,552,113 = 42,552,113
Notice both answers equal 42,552,113

With that explanation out of the way, let's continue. Next, we take the number 42,552,113 and divide it by 2:

42,552,113 ÷ 2 = 21,276,056.5

If the quotient is a whole number, then 2 and 21,276,056.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.

Here is what our table should look like at this step:

1 42,552,113
-1 -42,552,113

Now, we try dividing 42,552,113 by 3:

42,552,113 ÷ 3 = 14,184,037.6667

If the quotient is a whole number, then 3 and 14,184,037.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.

Here is what our table should look like at this step:

1 42,552,113
-1 -42,552,113

Let's try dividing by 4:

42,552,113 ÷ 4 = 10,638,028.25

If the quotient is a whole number, then 4 and 10,638,028.25 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.

Here is what our table should look like at this step:

1 42,552,113
-1 42,552,113
Keep dividing by the next highest number until you cannot divide anymore.

If you did it right, you will end up with this table:

11,49928,38742,552,113
-1-1,499-28,387-42,552,113

More Examples

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