A:
Positive:
1 x 7381999719 x 388526367 x 1101791103 x 716699563 x 1311191273 x 579891957 x 377216901 x 10697
Negative:
-1 x -73819997-19 x -3885263-67 x -1101791-103 x -716699-563 x -131119-1273 x -57989-1957 x -37721-6901 x -10697
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 73,819,997, 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 | 73,819,997 | |
| -1 | -73,819,997 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 73,819,997.
Example:
1 x 73,819,997 = 73,819,997
and
-1 x -73,819,997 = 73,819,997
Notice both answers equal 73,819,997
With that explanation out of the way, let's continue. Next, we take the number 73,819,997 and divide it by 2:
73,819,997 ÷ 2 = 36,909,998.5
If the quotient is a whole number, then 2 and 36,909,998.5 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 | 73,819,997 | |
| -1 | -73,819,997 |
Now, we try dividing 73,819,997 by 3:
73,819,997 ÷ 3 = 24,606,665.6667
If the quotient is a whole number, then 3 and 24,606,665.6667 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 | 73,819,997 | |
| -1 | -73,819,997 |
Let's try dividing by 4:
73,819,997 ÷ 4 = 18,454,999.25
If the quotient is a whole number, then 4 and 18,454,999.25 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 | 73,819,997 | |
| -1 | 73,819,997 |
If you did it right, you will end up with this table:
| 1 | 19 | 67 | 103 | 563 | 1,273 | 1,957 | 6,901 | 10,697 | 37,721 | 57,989 | 131,119 | 716,699 | 1,101,791 | 3,885,263 | 73,819,997 |
| -1 | -19 | -67 | -103 | -563 | -1,273 | -1,957 | -6,901 | -10,697 | -37,721 | -57,989 | -131,119 | -716,699 | -1,101,791 | -3,885,263 | -73,819,997 |
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