A:
Positive:
1 x 1255246517 x 1793209317 x 7383803119 x 1054829397 x 3161832657 x 472432779 x 451696749 x 18599
Negative:
-1 x -125524651-7 x -17932093-17 x -7383803-119 x -1054829-397 x -316183-2657 x -47243-2779 x -45169-6749 x -18599
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 125,524,651, 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 | 125,524,651 | |
| -1 | -125,524,651 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 125,524,651.
Example:
1 x 125,524,651 = 125,524,651
and
-1 x -125,524,651 = 125,524,651
Notice both answers equal 125,524,651
With that explanation out of the way, let's continue. Next, we take the number 125,524,651 and divide it by 2:
125,524,651 ÷ 2 = 62,762,325.5
If the quotient is a whole number, then 2 and 62,762,325.5 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 | 125,524,651 | |
| -1 | -125,524,651 |
Now, we try dividing 125,524,651 by 3:
125,524,651 ÷ 3 = 41,841,550.3333
If the quotient is a whole number, then 3 and 41,841,550.3333 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 | 125,524,651 | |
| -1 | -125,524,651 |
Let's try dividing by 4:
125,524,651 ÷ 4 = 31,381,162.75
If the quotient is a whole number, then 4 and 31,381,162.75 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 | 125,524,651 | |
| -1 | 125,524,651 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 119 | 397 | 2,657 | 2,779 | 6,749 | 18,599 | 45,169 | 47,243 | 316,183 | 1,054,829 | 7,383,803 | 17,932,093 | 125,524,651 |
| -1 | -7 | -17 | -119 | -397 | -2,657 | -2,779 | -6,749 | -18,599 | -45,169 | -47,243 | -316,183 | -1,054,829 | -7,383,803 | -17,932,093 | -125,524,651 |
Here are some more numbers to try:
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