A:
Positive:
1 x 2544062313 x 195697141 x 62050359 x 431197533 x 47731767 x 33169809 x 314472419 x 10517
Negative:
-1 x -25440623-13 x -1956971-41 x -620503-59 x -431197-533 x -47731-767 x -33169-809 x -31447-2419 x -10517
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 25,440,623, 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 | 25,440,623 | |
| -1 | -25,440,623 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,440,623.
Example:
1 x 25,440,623 = 25,440,623
and
-1 x -25,440,623 = 25,440,623
Notice both answers equal 25,440,623
With that explanation out of the way, let's continue. Next, we take the number 25,440,623 and divide it by 2:
25,440,623 ÷ 2 = 12,720,311.5
If the quotient is a whole number, then 2 and 12,720,311.5 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 | 25,440,623 | |
| -1 | -25,440,623 |
Now, we try dividing 25,440,623 by 3:
25,440,623 ÷ 3 = 8,480,207.6667
If the quotient is a whole number, then 3 and 8,480,207.6667 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 | 25,440,623 | |
| -1 | -25,440,623 |
Let's try dividing by 4:
25,440,623 ÷ 4 = 6,360,155.75
If the quotient is a whole number, then 4 and 6,360,155.75 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 | 25,440,623 | |
| -1 | 25,440,623 |
If you did it right, you will end up with this table:
| 1 | 13 | 41 | 59 | 533 | 767 | 809 | 2,419 | 10,517 | 31,447 | 33,169 | 47,731 | 431,197 | 620,503 | 1,956,971 | 25,440,623 |
| -1 | -13 | -41 | -59 | -533 | -767 | -809 | -2,419 | -10,517 | -31,447 | -33,169 | -47,731 | -431,197 | -620,503 | -1,956,971 | -25,440,623 |
Here are some more numbers to try:
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