A:
Positive:
1 x 766414255 x 153282857 x 1094877525 x 306565735 x 2189755107 x 716275175 x 437951535 x 143255749 x 1023252675 x 286513745 x 204654093 x 18725
Negative:
-1 x -76641425-5 x -15328285-7 x -10948775-25 x -3065657-35 x -2189755-107 x -716275-175 x -437951-535 x -143255-749 x -102325-2675 x -28651-3745 x -20465-4093 x -18725
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 76,641,425, 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 | 76,641,425 | |
| -1 | -76,641,425 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 76,641,425.
Example:
1 x 76,641,425 = 76,641,425
and
-1 x -76,641,425 = 76,641,425
Notice both answers equal 76,641,425
With that explanation out of the way, let's continue. Next, we take the number 76,641,425 and divide it by 2:
76,641,425 ÷ 2 = 38,320,712.5
If the quotient is a whole number, then 2 and 38,320,712.5 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 | 76,641,425 | |
| -1 | -76,641,425 |
Now, we try dividing 76,641,425 by 3:
76,641,425 ÷ 3 = 25,547,141.6667
If the quotient is a whole number, then 3 and 25,547,141.6667 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 | 76,641,425 | |
| -1 | -76,641,425 |
Let's try dividing by 4:
76,641,425 ÷ 4 = 19,160,356.25
If the quotient is a whole number, then 4 and 19,160,356.25 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 | 76,641,425 | |
| -1 | 76,641,425 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 107 | 175 | 535 | 749 | 2,675 | 3,745 | 4,093 | 18,725 | 20,465 | 28,651 | 102,325 | 143,255 | 437,951 | 716,275 | 2,189,755 | 3,065,657 | 10,948,775 | 15,328,285 | 76,641,425 |
| -1 | -5 | -7 | -25 | -35 | -107 | -175 | -535 | -749 | -2,675 | -3,745 | -4,093 | -18,725 | -20,465 | -28,651 | -102,325 | -143,255 | -437,951 | -716,275 | -2,189,755 | -3,065,657 | -10,948,775 | -15,328,285 | -76,641,425 |
Here are some more numbers to try:
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