A:
Positive:
1 x 3511411617 x 5016302323 x 15267007161 x 2181001859 x 4087792539 x 1382996013 x 5839717773 x 19757
Negative:
-1 x -351141161-7 x -50163023-23 x -15267007-161 x -2181001-859 x -408779-2539 x -138299-6013 x -58397-17773 x -19757
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 351,141,161, 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 | 351,141,161 | |
| -1 | -351,141,161 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 351,141,161.
Example:
1 x 351,141,161 = 351,141,161
and
-1 x -351,141,161 = 351,141,161
Notice both answers equal 351,141,161
With that explanation out of the way, let's continue. Next, we take the number 351,141,161 and divide it by 2:
351,141,161 ÷ 2 = 175,570,580.5
If the quotient is a whole number, then 2 and 175,570,580.5 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 | 351,141,161 | |
| -1 | -351,141,161 |
Now, we try dividing 351,141,161 by 3:
351,141,161 ÷ 3 = 117,047,053.6667
If the quotient is a whole number, then 3 and 117,047,053.6667 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 | 351,141,161 | |
| -1 | -351,141,161 |
Let's try dividing by 4:
351,141,161 ÷ 4 = 87,785,290.25
If the quotient is a whole number, then 4 and 87,785,290.25 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 | 351,141,161 | |
| -1 | 351,141,161 |
If you did it right, you will end up with this table:
| 1 | 7 | 23 | 161 | 859 | 2,539 | 6,013 | 17,773 | 19,757 | 58,397 | 138,299 | 408,779 | 2,181,001 | 15,267,007 | 50,163,023 | 351,141,161 |
| -1 | -7 | -23 | -161 | -859 | -2,539 | -6,013 | -17,773 | -19,757 | -58,397 | -138,299 | -408,779 | -2,181,001 | -15,267,007 | -50,163,023 | -351,141,161 |
Here are some more numbers to try:
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