A:
Positive:
1 x 35564353919 x 18718081173 x 2055743257 x 1383827421 x 8447593287 x 1081974883 x 728337999 x 44461
Negative:
-1 x -355643539-19 x -18718081-173 x -2055743-257 x -1383827-421 x -844759-3287 x -108197-4883 x -72833-7999 x -44461
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 355,643,539, 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 | 355,643,539 | |
| -1 | -355,643,539 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 355,643,539.
Example:
1 x 355,643,539 = 355,643,539
and
-1 x -355,643,539 = 355,643,539
Notice both answers equal 355,643,539
With that explanation out of the way, let's continue. Next, we take the number 355,643,539 and divide it by 2:
355,643,539 ÷ 2 = 177,821,769.5
If the quotient is a whole number, then 2 and 177,821,769.5 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 | 355,643,539 | |
| -1 | -355,643,539 |
Now, we try dividing 355,643,539 by 3:
355,643,539 ÷ 3 = 118,547,846.3333
If the quotient is a whole number, then 3 and 118,547,846.3333 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 | 355,643,539 | |
| -1 | -355,643,539 |
Let's try dividing by 4:
355,643,539 ÷ 4 = 88,910,884.75
If the quotient is a whole number, then 4 and 88,910,884.75 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 | 355,643,539 | |
| -1 | 355,643,539 |
If you did it right, you will end up with this table:
| 1 | 19 | 173 | 257 | 421 | 3,287 | 4,883 | 7,999 | 44,461 | 72,833 | 108,197 | 844,759 | 1,383,827 | 2,055,743 | 18,718,081 | 355,643,539 |
| -1 | -19 | -173 | -257 | -421 | -3,287 | -4,883 | -7,999 | -44,461 | -72,833 | -108,197 | -844,759 | -1,383,827 | -2,055,743 | -18,718,081 | -355,643,539 |
Here are some more numbers to try:
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