Q: What are the factor combinations of the number 70,265?

 A:
Positive:   1 x 702655 x 1405313 x 540523 x 305547 x 149565 x 1081115 x 611235 x 299
Negative: -1 x -70265-5 x -14053-13 x -5405-23 x -3055-47 x -1495-65 x -1081-115 x -611-235 x -299


How do I find the factor combinations of the number 70,265?

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 70,265, 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 70,265
-1 -70,265

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 70,265.

Example:
1 x 70,265 = 70,265
and
-1 x -70,265 = 70,265
Notice both answers equal 70,265

With that explanation out of the way, let's continue. Next, we take the number 70,265 and divide it by 2:

70,265 ÷ 2 = 35,132.5

If the quotient is a whole number, then 2 and 35,132.5 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 70,265
-1 -70,265

Now, we try dividing 70,265 by 3:

70,265 ÷ 3 = 23,421.6667

If the quotient is a whole number, then 3 and 23,421.6667 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 70,265
-1 -70,265

Let's try dividing by 4:

70,265 ÷ 4 = 17,566.25

If the quotient is a whole number, then 4 and 17,566.25 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 70,265
-1 70,265
Keep dividing by the next highest number until you cannot divide anymore.

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

15132347651152352996111,0811,4953,0555,40514,05370,265
-1-5-13-23-47-65-115-235-299-611-1,081-1,495-3,055-5,405-14,053-70,265

More Examples

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