A:
Positive:
1 x 7262704317 x 427217943 x 168900173 x 994891731 x 993531241 x 585231361 x 533633139 x 23137
Negative:
-1 x -72627043-17 x -4272179-43 x -1689001-73 x -994891-731 x -99353-1241 x -58523-1361 x -53363-3139 x -23137
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 72,627,043, 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 | 72,627,043 | |
| -1 | -72,627,043 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 72,627,043.
Example:
1 x 72,627,043 = 72,627,043
and
-1 x -72,627,043 = 72,627,043
Notice both answers equal 72,627,043
With that explanation out of the way, let's continue. Next, we take the number 72,627,043 and divide it by 2:
72,627,043 ÷ 2 = 36,313,521.5
If the quotient is a whole number, then 2 and 36,313,521.5 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 | 72,627,043 | |
| -1 | -72,627,043 |
Now, we try dividing 72,627,043 by 3:
72,627,043 ÷ 3 = 24,209,014.3333
If the quotient is a whole number, then 3 and 24,209,014.3333 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 | 72,627,043 | |
| -1 | -72,627,043 |
Let's try dividing by 4:
72,627,043 ÷ 4 = 18,156,760.75
If the quotient is a whole number, then 4 and 18,156,760.75 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 | 72,627,043 | |
| -1 | 72,627,043 |
If you did it right, you will end up with this table:
| 1 | 17 | 43 | 73 | 731 | 1,241 | 1,361 | 3,139 | 23,137 | 53,363 | 58,523 | 99,353 | 994,891 | 1,689,001 | 4,272,179 | 72,627,043 |
| -1 | -17 | -43 | -73 | -731 | -1,241 | -1,361 | -3,139 | -23,137 | -53,363 | -58,523 | -99,353 | -994,891 | -1,689,001 | -4,272,179 | -72,627,043 |
Here are some more numbers to try:
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