A:
Positive:
1 x 42182355 x 8436477 x 60260535 x 120521191 x 22085631 x 6685955 x 44171337 x 3155
Negative:
-1 x -4218235-5 x -843647-7 x -602605-35 x -120521-191 x -22085-631 x -6685-955 x -4417-1337 x -3155
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 4,218,235, 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 | 4,218,235 | |
| -1 | -4,218,235 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,218,235.
Example:
1 x 4,218,235 = 4,218,235
and
-1 x -4,218,235 = 4,218,235
Notice both answers equal 4,218,235
With that explanation out of the way, let's continue. Next, we take the number 4,218,235 and divide it by 2:
4,218,235 ÷ 2 = 2,109,117.5
If the quotient is a whole number, then 2 and 2,109,117.5 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 | 4,218,235 | |
| -1 | -4,218,235 |
Now, we try dividing 4,218,235 by 3:
4,218,235 ÷ 3 = 1,406,078.3333
If the quotient is a whole number, then 3 and 1,406,078.3333 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 | 4,218,235 | |
| -1 | -4,218,235 |
Let's try dividing by 4:
4,218,235 ÷ 4 = 1,054,558.75
If the quotient is a whole number, then 4 and 1,054,558.75 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 | 4,218,235 | |
| -1 | 4,218,235 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 191 | 631 | 955 | 1,337 | 3,155 | 4,417 | 6,685 | 22,085 | 120,521 | 602,605 | 843,647 | 4,218,235 |
| -1 | -5 | -7 | -35 | -191 | -631 | -955 | -1,337 | -3,155 | -4,417 | -6,685 | -22,085 | -120,521 | -602,605 | -843,647 | -4,218,235 |
Here are some more numbers to try:
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