A:
Positive:
1 x 5681842111 x 516531137 x 1535633137 x 414733407 x 1396031019 x 557591507 x 377035069 x 11209
Negative:
-1 x -56818421-11 x -5165311-37 x -1535633-137 x -414733-407 x -139603-1019 x -55759-1507 x -37703-5069 x -11209
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 56,818,421, 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 | 56,818,421 | |
| -1 | -56,818,421 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 56,818,421.
Example:
1 x 56,818,421 = 56,818,421
and
-1 x -56,818,421 = 56,818,421
Notice both answers equal 56,818,421
With that explanation out of the way, let's continue. Next, we take the number 56,818,421 and divide it by 2:
56,818,421 ÷ 2 = 28,409,210.5
If the quotient is a whole number, then 2 and 28,409,210.5 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 | 56,818,421 | |
| -1 | -56,818,421 |
Now, we try dividing 56,818,421 by 3:
56,818,421 ÷ 3 = 18,939,473.6667
If the quotient is a whole number, then 3 and 18,939,473.6667 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 | 56,818,421 | |
| -1 | -56,818,421 |
Let's try dividing by 4:
56,818,421 ÷ 4 = 14,204,605.25
If the quotient is a whole number, then 4 and 14,204,605.25 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 | 56,818,421 | |
| -1 | 56,818,421 |
If you did it right, you will end up with this table:
| 1 | 11 | 37 | 137 | 407 | 1,019 | 1,507 | 5,069 | 11,209 | 37,703 | 55,759 | 139,603 | 414,733 | 1,535,633 | 5,165,311 | 56,818,421 |
| -1 | -11 | -37 | -137 | -407 | -1,019 | -1,507 | -5,069 | -11,209 | -37,703 | -55,759 | -139,603 | -414,733 | -1,535,633 | -5,165,311 | -56,818,421 |
Here are some more numbers to try:
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