A:
Positive:
1 x 748866237 x 1069808941 x 1826503287 x 260929311 x 240793839 x 892572177 x 343995873 x 12751
Negative:
-1 x -74886623-7 x -10698089-41 x -1826503-287 x -260929-311 x -240793-839 x -89257-2177 x -34399-5873 x -12751
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 74,886,623, 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 | 74,886,623 | |
| -1 | -74,886,623 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 74,886,623.
Example:
1 x 74,886,623 = 74,886,623
and
-1 x -74,886,623 = 74,886,623
Notice both answers equal 74,886,623
With that explanation out of the way, let's continue. Next, we take the number 74,886,623 and divide it by 2:
74,886,623 ÷ 2 = 37,443,311.5
If the quotient is a whole number, then 2 and 37,443,311.5 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 | 74,886,623 | |
| -1 | -74,886,623 |
Now, we try dividing 74,886,623 by 3:
74,886,623 ÷ 3 = 24,962,207.6667
If the quotient is a whole number, then 3 and 24,962,207.6667 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 | 74,886,623 | |
| -1 | -74,886,623 |
Let's try dividing by 4:
74,886,623 ÷ 4 = 18,721,655.75
If the quotient is a whole number, then 4 and 18,721,655.75 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 | 74,886,623 | |
| -1 | 74,886,623 |
If you did it right, you will end up with this table:
| 1 | 7 | 41 | 287 | 311 | 839 | 2,177 | 5,873 | 12,751 | 34,399 | 89,257 | 240,793 | 260,929 | 1,826,503 | 10,698,089 | 74,886,623 |
| -1 | -7 | -41 | -287 | -311 | -839 | -2,177 | -5,873 | -12,751 | -34,399 | -89,257 | -240,793 | -260,929 | -1,826,503 | -10,698,089 | -74,886,623 |
Here are some more numbers to try:
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