A:
Positive:
1 x 417253111 x 37932117 x 24544353 x 78727187 x 22313421 x 9911583 x 7157901 x 4631
Negative:
-1 x -4172531-11 x -379321-17 x -245443-53 x -78727-187 x -22313-421 x -9911-583 x -7157-901 x -4631
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 4,172,531, 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 | 4,172,531 | |
| -1 | -4,172,531 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,172,531.
Example:
1 x 4,172,531 = 4,172,531
and
-1 x -4,172,531 = 4,172,531
Notice both answers equal 4,172,531
With that explanation out of the way, let's continue. Next, we take the number 4,172,531 and divide it by 2:
4,172,531 ÷ 2 = 2,086,265.5
If the quotient is a whole number, then 2 and 2,086,265.5 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 | 4,172,531 | |
| -1 | -4,172,531 |
Now, we try dividing 4,172,531 by 3:
4,172,531 ÷ 3 = 1,390,843.6667
If the quotient is a whole number, then 3 and 1,390,843.6667 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 | 4,172,531 | |
| -1 | -4,172,531 |
Let's try dividing by 4:
4,172,531 ÷ 4 = 1,043,132.75
If the quotient is a whole number, then 4 and 1,043,132.75 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 | 4,172,531 | |
| -1 | 4,172,531 |
If you did it right, you will end up with this table:
| 1 | 11 | 17 | 53 | 187 | 421 | 583 | 901 | 4,631 | 7,157 | 9,911 | 22,313 | 78,727 | 245,443 | 379,321 | 4,172,531 |
| -1 | -11 | -17 | -53 | -187 | -421 | -583 | -901 | -4,631 | -7,157 | -9,911 | -22,313 | -78,727 | -245,443 | -379,321 | -4,172,531 |
Here are some more numbers to try:
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