A:
Positive:
1 x 2521502055 x 5043004117 x 1483236541 x 615000585 x 2966473205 x 1230001697 x 3617653485 x 72353
Negative:
-1 x -252150205-5 x -50430041-17 x -14832365-41 x -6150005-85 x -2966473-205 x -1230001-697 x -361765-3485 x -72353
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 252,150,205, 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 | 252,150,205 | |
| -1 | -252,150,205 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 252,150,205.
Example:
1 x 252,150,205 = 252,150,205
and
-1 x -252,150,205 = 252,150,205
Notice both answers equal 252,150,205
With that explanation out of the way, let's continue. Next, we take the number 252,150,205 and divide it by 2:
252,150,205 ÷ 2 = 126,075,102.5
If the quotient is a whole number, then 2 and 126,075,102.5 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 | 252,150,205 | |
| -1 | -252,150,205 |
Now, we try dividing 252,150,205 by 3:
252,150,205 ÷ 3 = 84,050,068.3333
If the quotient is a whole number, then 3 and 84,050,068.3333 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 | 252,150,205 | |
| -1 | -252,150,205 |
Let's try dividing by 4:
252,150,205 ÷ 4 = 63,037,551.25
If the quotient is a whole number, then 4 and 63,037,551.25 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 | 252,150,205 | |
| -1 | 252,150,205 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 41 | 85 | 205 | 697 | 3,485 | 72,353 | 361,765 | 1,230,001 | 2,966,473 | 6,150,005 | 14,832,365 | 50,430,041 | 252,150,205 |
| -1 | -5 | -17 | -41 | -85 | -205 | -697 | -3,485 | -72,353 | -361,765 | -1,230,001 | -2,966,473 | -6,150,005 | -14,832,365 | -50,430,041 | -252,150,205 |
Here are some more numbers to try:
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