A:
Positive:
1 x 3743856137 x 101185373 x 51285783 x 451067167 x 2241832701 x 138613071 x 121916059 x 6179
Negative:
-1 x -37438561-37 x -1011853-73 x -512857-83 x -451067-167 x -224183-2701 x -13861-3071 x -12191-6059 x -6179
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 37,438,561, 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 | 37,438,561 | |
| -1 | -37,438,561 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 37,438,561.
Example:
1 x 37,438,561 = 37,438,561
and
-1 x -37,438,561 = 37,438,561
Notice both answers equal 37,438,561
With that explanation out of the way, let's continue. Next, we take the number 37,438,561 and divide it by 2:
37,438,561 ÷ 2 = 18,719,280.5
If the quotient is a whole number, then 2 and 18,719,280.5 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 | 37,438,561 | |
| -1 | -37,438,561 |
Now, we try dividing 37,438,561 by 3:
37,438,561 ÷ 3 = 12,479,520.3333
If the quotient is a whole number, then 3 and 12,479,520.3333 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 | 37,438,561 | |
| -1 | -37,438,561 |
Let's try dividing by 4:
37,438,561 ÷ 4 = 9,359,640.25
If the quotient is a whole number, then 4 and 9,359,640.25 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 | 37,438,561 | |
| -1 | 37,438,561 |
If you did it right, you will end up with this table:
| 1 | 37 | 73 | 83 | 167 | 2,701 | 3,071 | 6,059 | 6,179 | 12,191 | 13,861 | 224,183 | 451,067 | 512,857 | 1,011,853 | 37,438,561 |
| -1 | -37 | -73 | -83 | -167 | -2,701 | -3,071 | -6,059 | -6,179 | -12,191 | -13,861 | -224,183 | -451,067 | -512,857 | -1,011,853 | -37,438,561 |
Here are some more numbers to try:
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