A:
Positive:
1 x 10340221111 x 940020117 x 6082483187 x 552953251 x 4119612203 x 469372761 x 374514267 x 24233
Negative:
-1 x -103402211-11 x -9400201-17 x -6082483-187 x -552953-251 x -411961-2203 x -46937-2761 x -37451-4267 x -24233
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 103,402,211, 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 | 103,402,211 | |
| -1 | -103,402,211 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 103,402,211.
Example:
1 x 103,402,211 = 103,402,211
and
-1 x -103,402,211 = 103,402,211
Notice both answers equal 103,402,211
With that explanation out of the way, let's continue. Next, we take the number 103,402,211 and divide it by 2:
103,402,211 ÷ 2 = 51,701,105.5
If the quotient is a whole number, then 2 and 51,701,105.5 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 | 103,402,211 | |
| -1 | -103,402,211 |
Now, we try dividing 103,402,211 by 3:
103,402,211 ÷ 3 = 34,467,403.6667
If the quotient is a whole number, then 3 and 34,467,403.6667 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 | 103,402,211 | |
| -1 | -103,402,211 |
Let's try dividing by 4:
103,402,211 ÷ 4 = 25,850,552.75
If the quotient is a whole number, then 4 and 25,850,552.75 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 | 103,402,211 | |
| -1 | 103,402,211 |
If you did it right, you will end up with this table:
| 1 | 11 | 17 | 187 | 251 | 2,203 | 2,761 | 4,267 | 24,233 | 37,451 | 46,937 | 411,961 | 552,953 | 6,082,483 | 9,400,201 | 103,402,211 |
| -1 | -11 | -17 | -187 | -251 | -2,203 | -2,761 | -4,267 | -24,233 | -37,451 | -46,937 | -411,961 | -552,953 | -6,082,483 | -9,400,201 | -103,402,211 |
Here are some more numbers to try:
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