A:
Positive:
1 x 1026440055 x 2052880147 x 2183915235 x 436783373 x 2751851171 x 876551865 x 550375855 x 17531
Negative:
-1 x -102644005-5 x -20528801-47 x -2183915-235 x -436783-373 x -275185-1171 x -87655-1865 x -55037-5855 x -17531
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 102,644,005, 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 | 102,644,005 | |
| -1 | -102,644,005 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 102,644,005.
Example:
1 x 102,644,005 = 102,644,005
and
-1 x -102,644,005 = 102,644,005
Notice both answers equal 102,644,005
With that explanation out of the way, let's continue. Next, we take the number 102,644,005 and divide it by 2:
102,644,005 ÷ 2 = 51,322,002.5
If the quotient is a whole number, then 2 and 51,322,002.5 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 | 102,644,005 | |
| -1 | -102,644,005 |
Now, we try dividing 102,644,005 by 3:
102,644,005 ÷ 3 = 34,214,668.3333
If the quotient is a whole number, then 3 and 34,214,668.3333 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 | 102,644,005 | |
| -1 | -102,644,005 |
Let's try dividing by 4:
102,644,005 ÷ 4 = 25,661,001.25
If the quotient is a whole number, then 4 and 25,661,001.25 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 | 102,644,005 | |
| -1 | 102,644,005 |
If you did it right, you will end up with this table:
| 1 | 5 | 47 | 235 | 373 | 1,171 | 1,865 | 5,855 | 17,531 | 55,037 | 87,655 | 275,185 | 436,783 | 2,183,915 | 20,528,801 | 102,644,005 |
| -1 | -5 | -47 | -235 | -373 | -1,171 | -1,865 | -5,855 | -17,531 | -55,037 | -87,655 | -275,185 | -436,783 | -2,183,915 | -20,528,801 | -102,644,005 |
Here are some more numbers to try:
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