A:
Positive:
1 x 7963128117 x 468419331 x 256875153 x 1502477527 x 151103901 x 883811643 x 484672851 x 27931
Negative:
-1 x -79631281-17 x -4684193-31 x -2568751-53 x -1502477-527 x -151103-901 x -88381-1643 x -48467-2851 x -27931
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 79,631,281, it is easier to work with a table - it's called factoring from the outside in.
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 | 79,631,281 | |
| -1 | -79,631,281 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 79,631,281.
Example:
1 x 79,631,281 = 79,631,281
and
-1 x -79,631,281 = 79,631,281
Notice both answers equal 79,631,281
With that explanation out of the way, let's continue. Next, we take the number 79,631,281 and divide it by 2:
79,631,281 ÷ 2 = 39,815,640.5
If the quotient is a whole number, then 2 and 39,815,640.5 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 | 79,631,281 | |
| -1 | -79,631,281 |
Now, we try dividing 79,631,281 by 3:
79,631,281 ÷ 3 = 26,543,760.3333
If the quotient is a whole number, then 3 and 26,543,760.3333 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 | 79,631,281 | |
| -1 | -79,631,281 |
Let's try dividing by 4:
79,631,281 ÷ 4 = 19,907,820.25
If the quotient is a whole number, then 4 and 19,907,820.25 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 | 79,631,281 | |
| -1 | 79,631,281 |
If you did it right, you will end up with this table:
| 1 | 17 | 31 | 53 | 527 | 901 | 1,643 | 2,851 | 27,931 | 48,467 | 88,381 | 151,103 | 1,502,477 | 2,568,751 | 4,684,193 | 79,631,281 |
| -1 | -17 | -31 | -53 | -527 | -901 | -1,643 | -2,851 | -27,931 | -48,467 | -88,381 | -151,103 | -1,502,477 | -2,568,751 | -4,684,193 | -79,631,281 |
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