A:
Positive:
1 x 378686755 x 757373513 x 291297525 x 151474765 x 582595169 x 224075325 x 116519845 x 448154225 x 8963
Negative:
-1 x -37868675-5 x -7573735-13 x -2912975-25 x -1514747-65 x -582595-169 x -224075-325 x -116519-845 x -44815-4225 x -8963
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 37,868,675, 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 | 37,868,675 | |
| -1 | -37,868,675 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 37,868,675.
Example:
1 x 37,868,675 = 37,868,675
and
-1 x -37,868,675 = 37,868,675
Notice both answers equal 37,868,675
With that explanation out of the way, let's continue. Next, we take the number 37,868,675 and divide it by 2:
37,868,675 ÷ 2 = 18,934,337.5
If the quotient is a whole number, then 2 and 18,934,337.5 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 | 37,868,675 | |
| -1 | -37,868,675 |
Now, we try dividing 37,868,675 by 3:
37,868,675 ÷ 3 = 12,622,891.6667
If the quotient is a whole number, then 3 and 12,622,891.6667 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 | 37,868,675 | |
| -1 | -37,868,675 |
Let's try dividing by 4:
37,868,675 ÷ 4 = 9,467,168.75
If the quotient is a whole number, then 4 and 9,467,168.75 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 | 37,868,675 | |
| -1 | 37,868,675 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 169 | 325 | 845 | 4,225 | 8,963 | 44,815 | 116,519 | 224,075 | 582,595 | 1,514,747 | 2,912,975 | 7,573,735 | 37,868,675 |
| -1 | -5 | -13 | -25 | -65 | -169 | -325 | -845 | -4,225 | -8,963 | -44,815 | -116,519 | -224,075 | -582,595 | -1,514,747 | -2,912,975 | -7,573,735 | -37,868,675 |
Here are some more numbers to try:
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