A:
Positive:
1 x 12230755 x 2446157 x 17472525 x 4892329 x 4217535 x 34945145 x 8435175 x 6989203 x 6025241 x 5075725 x 16871015 x 1205
Negative:
-1 x -1223075-5 x -244615-7 x -174725-25 x -48923-29 x -42175-35 x -34945-145 x -8435-175 x -6989-203 x -6025-241 x -5075-725 x -1687-1015 x -1205
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 1,223,075, 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 | 1,223,075 | |
| -1 | -1,223,075 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,223,075.
Example:
1 x 1,223,075 = 1,223,075
and
-1 x -1,223,075 = 1,223,075
Notice both answers equal 1,223,075
With that explanation out of the way, let's continue. Next, we take the number 1,223,075 and divide it by 2:
1,223,075 ÷ 2 = 611,537.5
If the quotient is a whole number, then 2 and 611,537.5 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 | 1,223,075 | |
| -1 | -1,223,075 |
Now, we try dividing 1,223,075 by 3:
1,223,075 ÷ 3 = 407,691.6667
If the quotient is a whole number, then 3 and 407,691.6667 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 | 1,223,075 | |
| -1 | -1,223,075 |
Let's try dividing by 4:
1,223,075 ÷ 4 = 305,768.75
If the quotient is a whole number, then 4 and 305,768.75 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 | 1,223,075 | |
| -1 | 1,223,075 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 29 | 35 | 145 | 175 | 203 | 241 | 725 | 1,015 | 1,205 | 1,687 | 5,075 | 6,025 | 6,989 | 8,435 | 34,945 | 42,175 | 48,923 | 174,725 | 244,615 | 1,223,075 |
| -1 | -5 | -7 | -25 | -29 | -35 | -145 | -175 | -203 | -241 | -725 | -1,015 | -1,205 | -1,687 | -5,075 | -6,025 | -6,989 | -8,435 | -34,945 | -42,175 | -48,923 | -174,725 | -244,615 | -1,223,075 |
Here are some more numbers to try:
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