A:
Positive:
1 x 253602355 x 507204753 x 47849583 x 305545265 x 95699415 x 611091153 x 219954399 x 5765
Negative:
-1 x -25360235-5 x -5072047-53 x -478495-83 x -305545-265 x -95699-415 x -61109-1153 x -21995-4399 x -5765
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 25,360,235, 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 | 25,360,235 | |
| -1 | -25,360,235 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,360,235.
Example:
1 x 25,360,235 = 25,360,235
and
-1 x -25,360,235 = 25,360,235
Notice both answers equal 25,360,235
With that explanation out of the way, let's continue. Next, we take the number 25,360,235 and divide it by 2:
25,360,235 ÷ 2 = 12,680,117.5
If the quotient is a whole number, then 2 and 12,680,117.5 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 | 25,360,235 | |
| -1 | -25,360,235 |
Now, we try dividing 25,360,235 by 3:
25,360,235 ÷ 3 = 8,453,411.6667
If the quotient is a whole number, then 3 and 8,453,411.6667 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 | 25,360,235 | |
| -1 | -25,360,235 |
Let's try dividing by 4:
25,360,235 ÷ 4 = 6,340,058.75
If the quotient is a whole number, then 4 and 6,340,058.75 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 | 25,360,235 | |
| -1 | 25,360,235 |
If you did it right, you will end up with this table:
| 1 | 5 | 53 | 83 | 265 | 415 | 1,153 | 4,399 | 5,765 | 21,995 | 61,109 | 95,699 | 305,545 | 478,495 | 5,072,047 | 25,360,235 |
| -1 | -5 | -53 | -83 | -265 | -415 | -1,153 | -4,399 | -5,765 | -21,995 | -61,109 | -95,699 | -305,545 | -478,495 | -5,072,047 | -25,360,235 |
Here are some more numbers to try:
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