A:
Positive:
1 x 250456155 x 50091237 x 357794535 x 71558949 x 511135151 x 165865245 x 102227677 x 36995755 x 331731057 x 236953385 x 73994739 x 5285
Negative:
-1 x -25045615-5 x -5009123-7 x -3577945-35 x -715589-49 x -511135-151 x -165865-245 x -102227-677 x -36995-755 x -33173-1057 x -23695-3385 x -7399-4739 x -5285
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 25,045,615, 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 | 25,045,615 | |
| -1 | -25,045,615 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,045,615.
Example:
1 x 25,045,615 = 25,045,615
and
-1 x -25,045,615 = 25,045,615
Notice both answers equal 25,045,615
With that explanation out of the way, let's continue. Next, we take the number 25,045,615 and divide it by 2:
25,045,615 ÷ 2 = 12,522,807.5
If the quotient is a whole number, then 2 and 12,522,807.5 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 | 25,045,615 | |
| -1 | -25,045,615 |
Now, we try dividing 25,045,615 by 3:
25,045,615 ÷ 3 = 8,348,538.3333
If the quotient is a whole number, then 3 and 8,348,538.3333 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 | 25,045,615 | |
| -1 | -25,045,615 |
Let's try dividing by 4:
25,045,615 ÷ 4 = 6,261,403.75
If the quotient is a whole number, then 4 and 6,261,403.75 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 | 25,045,615 | |
| -1 | 25,045,615 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 151 | 245 | 677 | 755 | 1,057 | 3,385 | 4,739 | 5,285 | 7,399 | 23,695 | 33,173 | 36,995 | 102,227 | 165,865 | 511,135 | 715,589 | 3,577,945 | 5,009,123 | 25,045,615 |
| -1 | -5 | -7 | -35 | -49 | -151 | -245 | -677 | -755 | -1,057 | -3,385 | -4,739 | -5,285 | -7,399 | -23,695 | -33,173 | -36,995 | -102,227 | -165,865 | -511,135 | -715,589 | -3,577,945 | -5,009,123 | -25,045,615 |
Here are some more numbers to try:
Try the factor calculator