A:
Positive:
1 x 834470455 x 1668940911 x 758609555 x 1517219121 x 689645605 x 1379291331 x 626956655 x 12539
Negative:
-1 x -83447045-5 x -16689409-11 x -7586095-55 x -1517219-121 x -689645-605 x -137929-1331 x -62695-6655 x -12539
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 83,447,045, 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 | 83,447,045 | |
| -1 | -83,447,045 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 83,447,045.
Example:
1 x 83,447,045 = 83,447,045
and
-1 x -83,447,045 = 83,447,045
Notice both answers equal 83,447,045
With that explanation out of the way, let's continue. Next, we take the number 83,447,045 and divide it by 2:
83,447,045 ÷ 2 = 41,723,522.5
If the quotient is a whole number, then 2 and 41,723,522.5 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 | 83,447,045 | |
| -1 | -83,447,045 |
Now, we try dividing 83,447,045 by 3:
83,447,045 ÷ 3 = 27,815,681.6667
If the quotient is a whole number, then 3 and 27,815,681.6667 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 | 83,447,045 | |
| -1 | -83,447,045 |
Let's try dividing by 4:
83,447,045 ÷ 4 = 20,861,761.25
If the quotient is a whole number, then 4 and 20,861,761.25 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 | 83,447,045 | |
| -1 | 83,447,045 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 121 | 605 | 1,331 | 6,655 | 12,539 | 62,695 | 137,929 | 689,645 | 1,517,219 | 7,586,095 | 16,689,409 | 83,447,045 |
| -1 | -5 | -11 | -55 | -121 | -605 | -1,331 | -6,655 | -12,539 | -62,695 | -137,929 | -689,645 | -1,517,219 | -7,586,095 | -16,689,409 | -83,447,045 |
Here are some more numbers to try:
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