A:
Positive:
1 x 185279455 x 370558919 x 97515595 x 195031101 x 183445505 x 366891919 x 96551931 x 9595
Negative:
-1 x -18527945-5 x -3705589-19 x -975155-95 x -195031-101 x -183445-505 x -36689-1919 x -9655-1931 x -9595
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 18,527,945, 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 | 18,527,945 | |
| -1 | -18,527,945 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,527,945.
Example:
1 x 18,527,945 = 18,527,945
and
-1 x -18,527,945 = 18,527,945
Notice both answers equal 18,527,945
With that explanation out of the way, let's continue. Next, we take the number 18,527,945 and divide it by 2:
18,527,945 ÷ 2 = 9,263,972.5
If the quotient is a whole number, then 2 and 9,263,972.5 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 | 18,527,945 | |
| -1 | -18,527,945 |
Now, we try dividing 18,527,945 by 3:
18,527,945 ÷ 3 = 6,175,981.6667
If the quotient is a whole number, then 3 and 6,175,981.6667 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 | 18,527,945 | |
| -1 | -18,527,945 |
Let's try dividing by 4:
18,527,945 ÷ 4 = 4,631,986.25
If the quotient is a whole number, then 4 and 4,631,986.25 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 | 18,527,945 | |
| -1 | 18,527,945 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 95 | 101 | 505 | 1,919 | 1,931 | 9,595 | 9,655 | 36,689 | 183,445 | 195,031 | 975,155 | 3,705,589 | 18,527,945 |
| -1 | -5 | -19 | -95 | -101 | -505 | -1,919 | -1,931 | -9,595 | -9,655 | -36,689 | -183,445 | -195,031 | -975,155 | -3,705,589 | -18,527,945 |
Here are some more numbers to try:
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