A:
Positive:
1 x 251622355 x 50324477 x 359460531 x 81168535 x 71892149 x 513515155 x 162337217 x 115955245 x 1027031085 x 231911519 x 165653313 x 7595
Negative:
-1 x -25162235-5 x -5032447-7 x -3594605-31 x -811685-35 x -718921-49 x -513515-155 x -162337-217 x -115955-245 x -102703-1085 x -23191-1519 x -16565-3313 x -7595
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 25,162,235, 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 | 25,162,235 | |
| -1 | -25,162,235 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,162,235.
Example:
1 x 25,162,235 = 25,162,235
and
-1 x -25,162,235 = 25,162,235
Notice both answers equal 25,162,235
With that explanation out of the way, let's continue. Next, we take the number 25,162,235 and divide it by 2:
25,162,235 ÷ 2 = 12,581,117.5
If the quotient is a whole number, then 2 and 12,581,117.5 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 | 25,162,235 | |
| -1 | -25,162,235 |
Now, we try dividing 25,162,235 by 3:
25,162,235 ÷ 3 = 8,387,411.6667
If the quotient is a whole number, then 3 and 8,387,411.6667 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 | 25,162,235 | |
| -1 | -25,162,235 |
Let's try dividing by 4:
25,162,235 ÷ 4 = 6,290,558.75
If the quotient is a whole number, then 4 and 6,290,558.75 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 | 25,162,235 | |
| -1 | 25,162,235 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 31 | 35 | 49 | 155 | 217 | 245 | 1,085 | 1,519 | 3,313 | 7,595 | 16,565 | 23,191 | 102,703 | 115,955 | 162,337 | 513,515 | 718,921 | 811,685 | 3,594,605 | 5,032,447 | 25,162,235 |
| -1 | -5 | -7 | -31 | -35 | -49 | -155 | -217 | -245 | -1,085 | -1,519 | -3,313 | -7,595 | -16,565 | -23,191 | -102,703 | -115,955 | -162,337 | -513,515 | -718,921 | -811,685 | -3,594,605 | -5,032,447 | -25,162,235 |
Here are some more numbers to try:
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