A:
Positive:
1 x 720584955 x 1441169917 x 423873585 x 847747541 x 1331951567 x 459852705 x 266397835 x 9197
Negative:
-1 x -72058495-5 x -14411699-17 x -4238735-85 x -847747-541 x -133195-1567 x -45985-2705 x -26639-7835 x -9197
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 72,058,495, 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 | 72,058,495 | |
| -1 | -72,058,495 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 72,058,495.
Example:
1 x 72,058,495 = 72,058,495
and
-1 x -72,058,495 = 72,058,495
Notice both answers equal 72,058,495
With that explanation out of the way, let's continue. Next, we take the number 72,058,495 and divide it by 2:
72,058,495 ÷ 2 = 36,029,247.5
If the quotient is a whole number, then 2 and 36,029,247.5 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 | 72,058,495 | |
| -1 | -72,058,495 |
Now, we try dividing 72,058,495 by 3:
72,058,495 ÷ 3 = 24,019,498.3333
If the quotient is a whole number, then 3 and 24,019,498.3333 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 | 72,058,495 | |
| -1 | -72,058,495 |
Let's try dividing by 4:
72,058,495 ÷ 4 = 18,014,623.75
If the quotient is a whole number, then 4 and 18,014,623.75 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 | 72,058,495 | |
| -1 | 72,058,495 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 85 | 541 | 1,567 | 2,705 | 7,835 | 9,197 | 26,639 | 45,985 | 133,195 | 847,747 | 4,238,735 | 14,411,699 | 72,058,495 |
| -1 | -5 | -17 | -85 | -541 | -1,567 | -2,705 | -7,835 | -9,197 | -26,639 | -45,985 | -133,195 | -847,747 | -4,238,735 | -14,411,699 | -72,058,495 |
Here are some more numbers to try:
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