Q: What are the factor combinations of the number 71,225,632?

 A:
Positive:   1 x 712256322 x 356128164 x 178064088 x 890320416 x 445160232 x 222580189 x 800288178 x 400144281 x 253472356 x 200072562 x 126736712 x 1000361124 x 633681424 x 500182248 x 316842848 x 250094496 x 158427921 x 8992
Negative: -1 x -71225632-2 x -35612816-4 x -17806408-8 x -8903204-16 x -4451602-32 x -2225801-89 x -800288-178 x -400144-281 x -253472-356 x -200072-562 x -126736-712 x -100036-1124 x -63368-1424 x -50018-2248 x -31684-2848 x -25009-4496 x -15842-7921 x -8992


How do I find the factor combinations of the number 71,225,632?

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 71,225,632, 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 71,225,632
-1 -71,225,632

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 71,225,632.

Example:
1 x 71,225,632 = 71,225,632
and
-1 x -71,225,632 = 71,225,632
Notice both answers equal 71,225,632

With that explanation out of the way, let's continue. Next, we take the number 71,225,632 and divide it by 2:

71,225,632 ÷ 2 = 35,612,816

If the quotient is a whole number, then 2 and 35,612,816 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

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

1 2 35,612,816 71,225,632
-1 -2 -35,612,816 -71,225,632

Now, we try dividing 71,225,632 by 3:

71,225,632 ÷ 3 = 23,741,877.3333

If the quotient is a whole number, then 3 and 23,741,877.3333 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 2 35,612,816 71,225,632
-1 -2 -35,612,816 -71,225,632

Let's try dividing by 4:

71,225,632 ÷ 4 = 17,806,408

If the quotient is a whole number, then 4 and 17,806,408 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

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

1 2 4 17,806,408 35,612,816 71,225,632
-1 -2 -4 -17,806,408 -35,612,816 71,225,632
Keep dividing by the next highest number until you cannot divide anymore.

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

12481632891782813565627121,1241,4242,2482,8484,4967,9218,99215,84225,00931,68450,01863,368100,036126,736200,072253,472400,144800,2882,225,8014,451,6028,903,20417,806,40835,612,81671,225,632
-1-2-4-8-16-32-89-178-281-356-562-712-1,124-1,424-2,248-2,848-4,496-7,921-8,992-15,842-25,009-31,684-50,018-63,368-100,036-126,736-200,072-253,472-400,144-800,288-2,225,801-4,451,602-8,903,204-17,806,408-35,612,816-71,225,632

More Examples

Here are some more numbers to try:

71,225,63071,225,63171,225,63371,225,634
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