Q: What are the factor combinations of the number 35,315,231?

 A:
Positive:   1 x 353152317 x 504503331 x 113920149 x 72071967 x 527093217 x 162743347 x 101773469 x 752991519 x 232492077 x 170032429 x 145393283 x 10757
Negative: -1 x -35315231-7 x -5045033-31 x -1139201-49 x -720719-67 x -527093-217 x -162743-347 x -101773-469 x -75299-1519 x -23249-2077 x -17003-2429 x -14539-3283 x -10757


How do I find the factor combinations of the number 35,315,231?

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 35,315,231, 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 35,315,231
-1 -35,315,231

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 35,315,231.

Example:
1 x 35,315,231 = 35,315,231
and
-1 x -35,315,231 = 35,315,231
Notice both answers equal 35,315,231

With that explanation out of the way, let's continue. Next, we take the number 35,315,231 and divide it by 2:

35,315,231 ÷ 2 = 17,657,615.5

If the quotient is a whole number, then 2 and 17,657,615.5 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 35,315,231
-1 -35,315,231

Now, we try dividing 35,315,231 by 3:

35,315,231 ÷ 3 = 11,771,743.6667

If the quotient is a whole number, then 3 and 11,771,743.6667 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 35,315,231
-1 -35,315,231

Let's try dividing by 4:

35,315,231 ÷ 4 = 8,828,807.75

If the quotient is a whole number, then 4 and 8,828,807.75 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 35,315,231
-1 35,315,231
Keep dividing by the next highest number until you cannot divide anymore.

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

173149672173474691,5192,0772,4293,28310,75714,53917,00323,24975,299101,773162,743527,093720,7191,139,2015,045,03335,315,231
-1-7-31-49-67-217-347-469-1,519-2,077-2,429-3,283-10,757-14,539-17,003-23,249-75,299-101,773-162,743-527,093-720,719-1,139,201-5,045,033-35,315,231

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