A:
Positive:
1 x 7665311917 x 450900729 x 264321189 x 861271493 x 1554831513 x 506631747 x 438772581 x 29699
Negative:
-1 x -76653119-17 x -4509007-29 x -2643211-89 x -861271-493 x -155483-1513 x -50663-1747 x -43877-2581 x -29699
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 76,653,119, 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 | 76,653,119 | |
| -1 | -76,653,119 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 76,653,119.
Example:
1 x 76,653,119 = 76,653,119
and
-1 x -76,653,119 = 76,653,119
Notice both answers equal 76,653,119
With that explanation out of the way, let's continue. Next, we take the number 76,653,119 and divide it by 2:
76,653,119 ÷ 2 = 38,326,559.5
If the quotient is a whole number, then 2 and 38,326,559.5 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 | 76,653,119 | |
| -1 | -76,653,119 |
Now, we try dividing 76,653,119 by 3:
76,653,119 ÷ 3 = 25,551,039.6667
If the quotient is a whole number, then 3 and 25,551,039.6667 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 | 76,653,119 | |
| -1 | -76,653,119 |
Let's try dividing by 4:
76,653,119 ÷ 4 = 19,163,279.75
If the quotient is a whole number, then 4 and 19,163,279.75 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 | 76,653,119 | |
| -1 | 76,653,119 |
If you did it right, you will end up with this table:
| 1 | 17 | 29 | 89 | 493 | 1,513 | 1,747 | 2,581 | 29,699 | 43,877 | 50,663 | 155,483 | 861,271 | 2,643,211 | 4,509,007 | 76,653,119 |
| -1 | -17 | -29 | -89 | -493 | -1,513 | -1,747 | -2,581 | -29,699 | -43,877 | -50,663 | -155,483 | -861,271 | -2,643,211 | -4,509,007 | -76,653,119 |
Here are some more numbers to try:
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