A:
Positive:
1 x 73714855 x 147429711 x 67013555 x 134027101 x 72985505 x 145971111 x 66351327 x 5555
Negative:
-1 x -7371485-5 x -1474297-11 x -670135-55 x -134027-101 x -72985-505 x -14597-1111 x -6635-1327 x -5555
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 7,371,485, 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 | 7,371,485 | |
| -1 | -7,371,485 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,371,485.
Example:
1 x 7,371,485 = 7,371,485
and
-1 x -7,371,485 = 7,371,485
Notice both answers equal 7,371,485
With that explanation out of the way, let's continue. Next, we take the number 7,371,485 and divide it by 2:
7,371,485 ÷ 2 = 3,685,742.5
If the quotient is a whole number, then 2 and 3,685,742.5 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 | 7,371,485 | |
| -1 | -7,371,485 |
Now, we try dividing 7,371,485 by 3:
7,371,485 ÷ 3 = 2,457,161.6667
If the quotient is a whole number, then 3 and 2,457,161.6667 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 | 7,371,485 | |
| -1 | -7,371,485 |
Let's try dividing by 4:
7,371,485 ÷ 4 = 1,842,871.25
If the quotient is a whole number, then 4 and 1,842,871.25 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 | 7,371,485 | |
| -1 | 7,371,485 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 101 | 505 | 1,111 | 1,327 | 5,555 | 6,635 | 14,597 | 72,985 | 134,027 | 670,135 | 1,474,297 | 7,371,485 |
| -1 | -5 | -11 | -55 | -101 | -505 | -1,111 | -1,327 | -5,555 | -6,635 | -14,597 | -72,985 | -134,027 | -670,135 | -1,474,297 | -7,371,485 |
Here are some more numbers to try:
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