A:
Positive:
1 x 13014002313 x 1001077129 x 448758761 x 2133443377 x 345199793 x 1641111769 x 735675659 x 22997
Negative:
-1 x -130140023-13 x -10010771-29 x -4487587-61 x -2133443-377 x -345199-793 x -164111-1769 x -73567-5659 x -22997
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 130,140,023, 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 | 130,140,023 | |
| -1 | -130,140,023 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 130,140,023.
Example:
1 x 130,140,023 = 130,140,023
and
-1 x -130,140,023 = 130,140,023
Notice both answers equal 130,140,023
With that explanation out of the way, let's continue. Next, we take the number 130,140,023 and divide it by 2:
130,140,023 ÷ 2 = 65,070,011.5
If the quotient is a whole number, then 2 and 65,070,011.5 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 | 130,140,023 | |
| -1 | -130,140,023 |
Now, we try dividing 130,140,023 by 3:
130,140,023 ÷ 3 = 43,380,007.6667
If the quotient is a whole number, then 3 and 43,380,007.6667 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 | 130,140,023 | |
| -1 | -130,140,023 |
Let's try dividing by 4:
130,140,023 ÷ 4 = 32,535,005.75
If the quotient is a whole number, then 4 and 32,535,005.75 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 | 130,140,023 | |
| -1 | 130,140,023 |
If you did it right, you will end up with this table:
| 1 | 13 | 29 | 61 | 377 | 793 | 1,769 | 5,659 | 22,997 | 73,567 | 164,111 | 345,199 | 2,133,443 | 4,487,587 | 10,010,771 | 130,140,023 |
| -1 | -13 | -29 | -61 | -377 | -793 | -1,769 | -5,659 | -22,997 | -73,567 | -164,111 | -345,199 | -2,133,443 | -4,487,587 | -10,010,771 | -130,140,023 |
Here are some more numbers to try:
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