A:
Positive:
1 x 396500237 x 566428931 x 127903373 x 543151217 x 182719511 x 775932263 x 175212503 x 15841
Negative:
-1 x -39650023-7 x -5664289-31 x -1279033-73 x -543151-217 x -182719-511 x -77593-2263 x -17521-2503 x -15841
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 39,650,023, 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 | 39,650,023 | |
| -1 | -39,650,023 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 39,650,023.
Example:
1 x 39,650,023 = 39,650,023
and
-1 x -39,650,023 = 39,650,023
Notice both answers equal 39,650,023
With that explanation out of the way, let's continue. Next, we take the number 39,650,023 and divide it by 2:
39,650,023 ÷ 2 = 19,825,011.5
If the quotient is a whole number, then 2 and 19,825,011.5 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 | 39,650,023 | |
| -1 | -39,650,023 |
Now, we try dividing 39,650,023 by 3:
39,650,023 ÷ 3 = 13,216,674.3333
If the quotient is a whole number, then 3 and 13,216,674.3333 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 | 39,650,023 | |
| -1 | -39,650,023 |
Let's try dividing by 4:
39,650,023 ÷ 4 = 9,912,505.75
If the quotient is a whole number, then 4 and 9,912,505.75 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 | 39,650,023 | |
| -1 | 39,650,023 |
If you did it right, you will end up with this table:
| 1 | 7 | 31 | 73 | 217 | 511 | 2,263 | 2,503 | 15,841 | 17,521 | 77,593 | 182,719 | 543,151 | 1,279,033 | 5,664,289 | 39,650,023 |
| -1 | -7 | -31 | -73 | -217 | -511 | -2,263 | -2,503 | -15,841 | -17,521 | -77,593 | -182,719 | -543,151 | -1,279,033 | -5,664,289 | -39,650,023 |
Here are some more numbers to try:
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