A:
Positive:
1 x 8813854919 x 463887131 x 2843179151 x 583699589 x 149641991 x 889392869 x 307214681 x 18829
Negative:
-1 x -88138549-19 x -4638871-31 x -2843179-151 x -583699-589 x -149641-991 x -88939-2869 x -30721-4681 x -18829
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 88,138,549, 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 | 88,138,549 | |
| -1 | -88,138,549 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 88,138,549.
Example:
1 x 88,138,549 = 88,138,549
and
-1 x -88,138,549 = 88,138,549
Notice both answers equal 88,138,549
With that explanation out of the way, let's continue. Next, we take the number 88,138,549 and divide it by 2:
88,138,549 ÷ 2 = 44,069,274.5
If the quotient is a whole number, then 2 and 44,069,274.5 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 | 88,138,549 | |
| -1 | -88,138,549 |
Now, we try dividing 88,138,549 by 3:
88,138,549 ÷ 3 = 29,379,516.3333
If the quotient is a whole number, then 3 and 29,379,516.3333 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 | 88,138,549 | |
| -1 | -88,138,549 |
Let's try dividing by 4:
88,138,549 ÷ 4 = 22,034,637.25
If the quotient is a whole number, then 4 and 22,034,637.25 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 | 88,138,549 | |
| -1 | 88,138,549 |
If you did it right, you will end up with this table:
| 1 | 19 | 31 | 151 | 589 | 991 | 2,869 | 4,681 | 18,829 | 30,721 | 88,939 | 149,641 | 583,699 | 2,843,179 | 4,638,871 | 88,138,549 |
| -1 | -19 | -31 | -151 | -589 | -991 | -2,869 | -4,681 | -18,829 | -30,721 | -88,939 | -149,641 | -583,699 | -2,843,179 | -4,638,871 | -88,138,549 |
Here are some more numbers to try:
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