A:
Positive:
1 x 7671622317 x 451271929 x 264538761 x 1257643493 x 1556111037 x 739791769 x 433672551 x 30073
Negative:
-1 x -76716223-17 x -4512719-29 x -2645387-61 x -1257643-493 x -155611-1037 x -73979-1769 x -43367-2551 x -30073
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 76,716,223, 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 | 76,716,223 | |
| -1 | -76,716,223 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 76,716,223.
Example:
1 x 76,716,223 = 76,716,223
and
-1 x -76,716,223 = 76,716,223
Notice both answers equal 76,716,223
With that explanation out of the way, let's continue. Next, we take the number 76,716,223 and divide it by 2:
76,716,223 ÷ 2 = 38,358,111.5
If the quotient is a whole number, then 2 and 38,358,111.5 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 | 76,716,223 | |
| -1 | -76,716,223 |
Now, we try dividing 76,716,223 by 3:
76,716,223 ÷ 3 = 25,572,074.3333
If the quotient is a whole number, then 3 and 25,572,074.3333 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 | 76,716,223 | |
| -1 | -76,716,223 |
Let's try dividing by 4:
76,716,223 ÷ 4 = 19,179,055.75
If the quotient is a whole number, then 4 and 19,179,055.75 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 | 76,716,223 | |
| -1 | 76,716,223 |
If you did it right, you will end up with this table:
| 1 | 17 | 29 | 61 | 493 | 1,037 | 1,769 | 2,551 | 30,073 | 43,367 | 73,979 | 155,611 | 1,257,643 | 2,645,387 | 4,512,719 | 76,716,223 |
| -1 | -17 | -29 | -61 | -493 | -1,037 | -1,769 | -2,551 | -30,073 | -43,367 | -73,979 | -155,611 | -1,257,643 | -2,645,387 | -4,512,719 | -76,716,223 |
Here are some more numbers to try:
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