A:
Positive:
1 x 728375755 x 1456751525 x 291350373 x 997775107 x 680725365 x 199555373 x 195275535 x 1361451825 x 399111865 x 390552675 x 272297811 x 9325
Negative:
-1 x -72837575-5 x -14567515-25 x -2913503-73 x -997775-107 x -680725-365 x -199555-373 x -195275-535 x -136145-1825 x -39911-1865 x -39055-2675 x -27229-7811 x -9325
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 72,837,575, 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 | 72,837,575 | |
| -1 | -72,837,575 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 72,837,575.
Example:
1 x 72,837,575 = 72,837,575
and
-1 x -72,837,575 = 72,837,575
Notice both answers equal 72,837,575
With that explanation out of the way, let's continue. Next, we take the number 72,837,575 and divide it by 2:
72,837,575 ÷ 2 = 36,418,787.5
If the quotient is a whole number, then 2 and 36,418,787.5 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 | 72,837,575 | |
| -1 | -72,837,575 |
Now, we try dividing 72,837,575 by 3:
72,837,575 ÷ 3 = 24,279,191.6667
If the quotient is a whole number, then 3 and 24,279,191.6667 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 | 72,837,575 | |
| -1 | -72,837,575 |
Let's try dividing by 4:
72,837,575 ÷ 4 = 18,209,393.75
If the quotient is a whole number, then 4 and 18,209,393.75 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 | 72,837,575 | |
| -1 | 72,837,575 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 73 | 107 | 365 | 373 | 535 | 1,825 | 1,865 | 2,675 | 7,811 | 9,325 | 27,229 | 39,055 | 39,911 | 136,145 | 195,275 | 199,555 | 680,725 | 997,775 | 2,913,503 | 14,567,515 | 72,837,575 |
| -1 | -5 | -25 | -73 | -107 | -365 | -373 | -535 | -1,825 | -1,865 | -2,675 | -7,811 | -9,325 | -27,229 | -39,055 | -39,911 | -136,145 | -195,275 | -199,555 | -680,725 | -997,775 | -2,913,503 | -14,567,515 | -72,837,575 |
Here are some more numbers to try:
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