A:
Positive:
1 x 14351260313 x 1103943137 x 387871959 x 2432417169 x 849187389 x 368927481 x 298363767 x 1871092183 x 657415057 x 283796253 x 229519971 x 14393
Negative:
-1 x -143512603-13 x -11039431-37 x -3878719-59 x -2432417-169 x -849187-389 x -368927-481 x -298363-767 x -187109-2183 x -65741-5057 x -28379-6253 x -22951-9971 x -14393
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 143,512,603, 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 | 143,512,603 | |
| -1 | -143,512,603 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 143,512,603.
Example:
1 x 143,512,603 = 143,512,603
and
-1 x -143,512,603 = 143,512,603
Notice both answers equal 143,512,603
With that explanation out of the way, let's continue. Next, we take the number 143,512,603 and divide it by 2:
143,512,603 ÷ 2 = 71,756,301.5
If the quotient is a whole number, then 2 and 71,756,301.5 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 | 143,512,603 | |
| -1 | -143,512,603 |
Now, we try dividing 143,512,603 by 3:
143,512,603 ÷ 3 = 47,837,534.3333
If the quotient is a whole number, then 3 and 47,837,534.3333 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 | 143,512,603 | |
| -1 | -143,512,603 |
Let's try dividing by 4:
143,512,603 ÷ 4 = 35,878,150.75
If the quotient is a whole number, then 4 and 35,878,150.75 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 | 143,512,603 | |
| -1 | 143,512,603 |
If you did it right, you will end up with this table:
| 1 | 13 | 37 | 59 | 169 | 389 | 481 | 767 | 2,183 | 5,057 | 6,253 | 9,971 | 14,393 | 22,951 | 28,379 | 65,741 | 187,109 | 298,363 | 368,927 | 849,187 | 2,432,417 | 3,878,719 | 11,039,431 | 143,512,603 |
| -1 | -13 | -37 | -59 | -169 | -389 | -481 | -767 | -2,183 | -5,057 | -6,253 | -9,971 | -14,393 | -22,951 | -28,379 | -65,741 | -187,109 | -298,363 | -368,927 | -849,187 | -2,432,417 | -3,878,719 | -11,039,431 | -143,512,603 |
Here are some more numbers to try:
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