A:
Positive:
1 x 13043014337 x 352513941 x 3181223127 x 1027009677 x 1926591517 x 859794699 x 277575207 x 25049
Negative:
-1 x -130430143-37 x -3525139-41 x -3181223-127 x -1027009-677 x -192659-1517 x -85979-4699 x -27757-5207 x -25049
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 130,430,143, 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 | 130,430,143 | |
| -1 | -130,430,143 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 130,430,143.
Example:
1 x 130,430,143 = 130,430,143
and
-1 x -130,430,143 = 130,430,143
Notice both answers equal 130,430,143
With that explanation out of the way, let's continue. Next, we take the number 130,430,143 and divide it by 2:
130,430,143 ÷ 2 = 65,215,071.5
If the quotient is a whole number, then 2 and 65,215,071.5 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 | 130,430,143 | |
| -1 | -130,430,143 |
Now, we try dividing 130,430,143 by 3:
130,430,143 ÷ 3 = 43,476,714.3333
If the quotient is a whole number, then 3 and 43,476,714.3333 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 | 130,430,143 | |
| -1 | -130,430,143 |
Let's try dividing by 4:
130,430,143 ÷ 4 = 32,607,535.75
If the quotient is a whole number, then 4 and 32,607,535.75 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 | 130,430,143 | |
| -1 | 130,430,143 |
If you did it right, you will end up with this table:
| 1 | 37 | 41 | 127 | 677 | 1,517 | 4,699 | 5,207 | 25,049 | 27,757 | 85,979 | 192,659 | 1,027,009 | 3,181,223 | 3,525,139 | 130,430,143 |
| -1 | -37 | -41 | -127 | -677 | -1,517 | -4,699 | -5,207 | -25,049 | -27,757 | -85,979 | -192,659 | -1,027,009 | -3,181,223 | -3,525,139 | -130,430,143 |
Here are some more numbers to try:
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