A:
Positive:
1 x 45724917 x 65321311 x 41568143 x 10633777 x 59383301 x 15191473 x 96671381 x 3311
Negative:
-1 x -4572491-7 x -653213-11 x -415681-43 x -106337-77 x -59383-301 x -15191-473 x -9667-1381 x -3311
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 4,572,491, 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 | 4,572,491 | |
| -1 | -4,572,491 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,572,491.
Example:
1 x 4,572,491 = 4,572,491
and
-1 x -4,572,491 = 4,572,491
Notice both answers equal 4,572,491
With that explanation out of the way, let's continue. Next, we take the number 4,572,491 and divide it by 2:
4,572,491 ÷ 2 = 2,286,245.5
If the quotient is a whole number, then 2 and 2,286,245.5 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 | 4,572,491 | |
| -1 | -4,572,491 |
Now, we try dividing 4,572,491 by 3:
4,572,491 ÷ 3 = 1,524,163.6667
If the quotient is a whole number, then 3 and 1,524,163.6667 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 | 4,572,491 | |
| -1 | -4,572,491 |
Let's try dividing by 4:
4,572,491 ÷ 4 = 1,143,122.75
If the quotient is a whole number, then 4 and 1,143,122.75 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 | 4,572,491 | |
| -1 | 4,572,491 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 43 | 77 | 301 | 473 | 1,381 | 3,311 | 9,667 | 15,191 | 59,383 | 106,337 | 415,681 | 653,213 | 4,572,491 |
| -1 | -7 | -11 | -43 | -77 | -301 | -473 | -1,381 | -3,311 | -9,667 | -15,191 | -59,383 | -106,337 | -415,681 | -653,213 | -4,572,491 |
Here are some more numbers to try:
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