A:
Positive:
1 x 15656551911 x 1423322929 x 5398811173 x 905003319 x 4908011903 x 822732837 x 551875017 x 31207
Negative:
-1 x -156565519-11 x -14233229-29 x -5398811-173 x -905003-319 x -490801-1903 x -82273-2837 x -55187-5017 x -31207
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 156,565,519, 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 | 156,565,519 | |
| -1 | -156,565,519 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 156,565,519.
Example:
1 x 156,565,519 = 156,565,519
and
-1 x -156,565,519 = 156,565,519
Notice both answers equal 156,565,519
With that explanation out of the way, let's continue. Next, we take the number 156,565,519 and divide it by 2:
156,565,519 ÷ 2 = 78,282,759.5
If the quotient is a whole number, then 2 and 78,282,759.5 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 | 156,565,519 | |
| -1 | -156,565,519 |
Now, we try dividing 156,565,519 by 3:
156,565,519 ÷ 3 = 52,188,506.3333
If the quotient is a whole number, then 3 and 52,188,506.3333 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 | 156,565,519 | |
| -1 | -156,565,519 |
Let's try dividing by 4:
156,565,519 ÷ 4 = 39,141,379.75
If the quotient is a whole number, then 4 and 39,141,379.75 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 | 156,565,519 | |
| -1 | 156,565,519 |
If you did it right, you will end up with this table:
| 1 | 11 | 29 | 173 | 319 | 1,903 | 2,837 | 5,017 | 31,207 | 55,187 | 82,273 | 490,801 | 905,003 | 5,398,811 | 14,233,229 | 156,565,519 |
| -1 | -11 | -29 | -173 | -319 | -1,903 | -2,837 | -5,017 | -31,207 | -55,187 | -82,273 | -490,801 | -905,003 | -5,398,811 | -14,233,229 | -156,565,519 |
Here are some more numbers to try:
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