A:
Positive:
1 x 1015656131 x 32763141 x 24772161 x 166501131 x 775311271 x 79911891 x 53712501 x 4061
Negative:
-1 x -10156561-31 x -327631-41 x -247721-61 x -166501-131 x -77531-1271 x -7991-1891 x -5371-2501 x -4061
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 10,156,561, 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 | 10,156,561 | |
| -1 | -10,156,561 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,156,561.
Example:
1 x 10,156,561 = 10,156,561
and
-1 x -10,156,561 = 10,156,561
Notice both answers equal 10,156,561
With that explanation out of the way, let's continue. Next, we take the number 10,156,561 and divide it by 2:
10,156,561 ÷ 2 = 5,078,280.5
If the quotient is a whole number, then 2 and 5,078,280.5 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 | 10,156,561 | |
| -1 | -10,156,561 |
Now, we try dividing 10,156,561 by 3:
10,156,561 ÷ 3 = 3,385,520.3333
If the quotient is a whole number, then 3 and 3,385,520.3333 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 | 10,156,561 | |
| -1 | -10,156,561 |
Let's try dividing by 4:
10,156,561 ÷ 4 = 2,539,140.25
If the quotient is a whole number, then 4 and 2,539,140.25 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 | 10,156,561 | |
| -1 | 10,156,561 |
If you did it right, you will end up with this table:
| 1 | 31 | 41 | 61 | 131 | 1,271 | 1,891 | 2,501 | 4,061 | 5,371 | 7,991 | 77,531 | 166,501 | 247,721 | 327,631 | 10,156,561 |
| -1 | -31 | -41 | -61 | -131 | -1,271 | -1,891 | -2,501 | -4,061 | -5,371 | -7,991 | -77,531 | -166,501 | -247,721 | -327,631 | -10,156,561 |
Here are some more numbers to try:
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