A:
Positive:
1 x 200030955 x 40006197 x 285758535 x 57151773 x 274015365 x 54803511 x 391452555 x 7829
Negative:
-1 x -20003095-5 x -4000619-7 x -2857585-35 x -571517-73 x -274015-365 x -54803-511 x -39145-2555 x -7829
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 20,003,095, 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 | 20,003,095 | |
| -1 | -20,003,095 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,003,095.
Example:
1 x 20,003,095 = 20,003,095
and
-1 x -20,003,095 = 20,003,095
Notice both answers equal 20,003,095
With that explanation out of the way, let's continue. Next, we take the number 20,003,095 and divide it by 2:
20,003,095 ÷ 2 = 10,001,547.5
If the quotient is a whole number, then 2 and 10,001,547.5 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 | 20,003,095 | |
| -1 | -20,003,095 |
Now, we try dividing 20,003,095 by 3:
20,003,095 ÷ 3 = 6,667,698.3333
If the quotient is a whole number, then 3 and 6,667,698.3333 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 | 20,003,095 | |
| -1 | -20,003,095 |
Let's try dividing by 4:
20,003,095 ÷ 4 = 5,000,773.75
If the quotient is a whole number, then 4 and 5,000,773.75 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 | 20,003,095 | |
| -1 | 20,003,095 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 73 | 365 | 511 | 2,555 | 7,829 | 39,145 | 54,803 | 274,015 | 571,517 | 2,857,585 | 4,000,619 | 20,003,095 |
| -1 | -5 | -7 | -35 | -73 | -365 | -511 | -2,555 | -7,829 | -39,145 | -54,803 | -274,015 | -571,517 | -2,857,585 | -4,000,619 | -20,003,095 |
Here are some more numbers to try:
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