A:
Positive:
1 x 3561230155 x 71224603103 x 3457505433 x 822455515 x 6915011597 x 2229952165 x 1644917985 x 44599
Negative:
-1 x -356123015-5 x -71224603-103 x -3457505-433 x -822455-515 x -691501-1597 x -222995-2165 x -164491-7985 x -44599
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 356,123,015, 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 | 356,123,015 | |
| -1 | -356,123,015 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 356,123,015.
Example:
1 x 356,123,015 = 356,123,015
and
-1 x -356,123,015 = 356,123,015
Notice both answers equal 356,123,015
With that explanation out of the way, let's continue. Next, we take the number 356,123,015 and divide it by 2:
356,123,015 ÷ 2 = 178,061,507.5
If the quotient is a whole number, then 2 and 178,061,507.5 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 | 356,123,015 | |
| -1 | -356,123,015 |
Now, we try dividing 356,123,015 by 3:
356,123,015 ÷ 3 = 118,707,671.6667
If the quotient is a whole number, then 3 and 118,707,671.6667 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 | 356,123,015 | |
| -1 | -356,123,015 |
Let's try dividing by 4:
356,123,015 ÷ 4 = 89,030,753.75
If the quotient is a whole number, then 4 and 89,030,753.75 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 | 356,123,015 | |
| -1 | 356,123,015 |
If you did it right, you will end up with this table:
| 1 | 5 | 103 | 433 | 515 | 1,597 | 2,165 | 7,985 | 44,599 | 164,491 | 222,995 | 691,501 | 822,455 | 3,457,505 | 71,224,603 | 356,123,015 |
| -1 | -5 | -103 | -433 | -515 | -1,597 | -2,165 | -7,985 | -44,599 | -164,491 | -222,995 | -691,501 | -822,455 | -3,457,505 | -71,224,603 | -356,123,015 |
Here are some more numbers to try:
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