A:
Positive:
1 x 3840652723 x 166984929 x 132436371 x 540937667 x 57581811 x 473571633 x 235192059 x 18653
Negative:
-1 x -38406527-23 x -1669849-29 x -1324363-71 x -540937-667 x -57581-811 x -47357-1633 x -23519-2059 x -18653
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 38,406,527, 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 | 38,406,527 | |
| -1 | -38,406,527 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 38,406,527.
Example:
1 x 38,406,527 = 38,406,527
and
-1 x -38,406,527 = 38,406,527
Notice both answers equal 38,406,527
With that explanation out of the way, let's continue. Next, we take the number 38,406,527 and divide it by 2:
38,406,527 ÷ 2 = 19,203,263.5
If the quotient is a whole number, then 2 and 19,203,263.5 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 | 38,406,527 | |
| -1 | -38,406,527 |
Now, we try dividing 38,406,527 by 3:
38,406,527 ÷ 3 = 12,802,175.6667
If the quotient is a whole number, then 3 and 12,802,175.6667 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 | 38,406,527 | |
| -1 | -38,406,527 |
Let's try dividing by 4:
38,406,527 ÷ 4 = 9,601,631.75
If the quotient is a whole number, then 4 and 9,601,631.75 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 | 38,406,527 | |
| -1 | 38,406,527 |
If you did it right, you will end up with this table:
| 1 | 23 | 29 | 71 | 667 | 811 | 1,633 | 2,059 | 18,653 | 23,519 | 47,357 | 57,581 | 540,937 | 1,324,363 | 1,669,849 | 38,406,527 |
| -1 | -23 | -29 | -71 | -667 | -811 | -1,633 | -2,059 | -18,653 | -23,519 | -47,357 | -57,581 | -540,937 | -1,324,363 | -1,669,849 | -38,406,527 |
Here are some more numbers to try:
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