A:
Positive:
1 x 1200022677 x 1714318111 x 1090929777 x 1558471151 x 7947171057 x 1135311661 x 7224710321 x 11627
Negative:
-1 x -120002267-7 x -17143181-11 x -10909297-77 x -1558471-151 x -794717-1057 x -113531-1661 x -72247-10321 x -11627
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 120,002,267, 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 | 120,002,267 | |
| -1 | -120,002,267 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 120,002,267.
Example:
1 x 120,002,267 = 120,002,267
and
-1 x -120,002,267 = 120,002,267
Notice both answers equal 120,002,267
With that explanation out of the way, let's continue. Next, we take the number 120,002,267 and divide it by 2:
120,002,267 ÷ 2 = 60,001,133.5
If the quotient is a whole number, then 2 and 60,001,133.5 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 | 120,002,267 | |
| -1 | -120,002,267 |
Now, we try dividing 120,002,267 by 3:
120,002,267 ÷ 3 = 40,000,755.6667
If the quotient is a whole number, then 3 and 40,000,755.6667 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 | 120,002,267 | |
| -1 | -120,002,267 |
Let's try dividing by 4:
120,002,267 ÷ 4 = 30,000,566.75
If the quotient is a whole number, then 4 and 30,000,566.75 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 | 120,002,267 | |
| -1 | 120,002,267 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 151 | 1,057 | 1,661 | 10,321 | 11,627 | 72,247 | 113,531 | 794,717 | 1,558,471 | 10,909,297 | 17,143,181 | 120,002,267 |
| -1 | -7 | -11 | -77 | -151 | -1,057 | -1,661 | -10,321 | -11,627 | -72,247 | -113,531 | -794,717 | -1,558,471 | -10,909,297 | -17,143,181 | -120,002,267 |
Here are some more numbers to try:
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