A:
Positive:
1 x 1629200355 x 3258400731 x 5255485155 x 1051097941 x 1731351117 x 1458554705 x 346275585 x 29171
Negative:
-1 x -162920035-5 x -32584007-31 x -5255485-155 x -1051097-941 x -173135-1117 x -145855-4705 x -34627-5585 x -29171
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 162,920,035, 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 | 162,920,035 | |
| -1 | -162,920,035 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 162,920,035.
Example:
1 x 162,920,035 = 162,920,035
and
-1 x -162,920,035 = 162,920,035
Notice both answers equal 162,920,035
With that explanation out of the way, let's continue. Next, we take the number 162,920,035 and divide it by 2:
162,920,035 ÷ 2 = 81,460,017.5
If the quotient is a whole number, then 2 and 81,460,017.5 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 | 162,920,035 | |
| -1 | -162,920,035 |
Now, we try dividing 162,920,035 by 3:
162,920,035 ÷ 3 = 54,306,678.3333
If the quotient is a whole number, then 3 and 54,306,678.3333 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 | 162,920,035 | |
| -1 | -162,920,035 |
Let's try dividing by 4:
162,920,035 ÷ 4 = 40,730,008.75
If the quotient is a whole number, then 4 and 40,730,008.75 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 | 162,920,035 | |
| -1 | 162,920,035 |
If you did it right, you will end up with this table:
| 1 | 5 | 31 | 155 | 941 | 1,117 | 4,705 | 5,585 | 29,171 | 34,627 | 145,855 | 173,135 | 1,051,097 | 5,255,485 | 32,584,007 | 162,920,035 |
| -1 | -5 | -31 | -155 | -941 | -1,117 | -4,705 | -5,585 | -29,171 | -34,627 | -145,855 | -173,135 | -1,051,097 | -5,255,485 | -32,584,007 | -162,920,035 |
Here are some more numbers to try:
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