A:
Positive:
1 x 121907597 x 174153723 x 53003329 x 42037149 x 248791161 x 75719203 x 60053373 x 32683667 x 182771127 x 108171421 x 85792611 x 4669
Negative:
-1 x -12190759-7 x -1741537-23 x -530033-29 x -420371-49 x -248791-161 x -75719-203 x -60053-373 x -32683-667 x -18277-1127 x -10817-1421 x -8579-2611 x -4669
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 12,190,759, 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 | 12,190,759 | |
| -1 | -12,190,759 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,190,759.
Example:
1 x 12,190,759 = 12,190,759
and
-1 x -12,190,759 = 12,190,759
Notice both answers equal 12,190,759
With that explanation out of the way, let's continue. Next, we take the number 12,190,759 and divide it by 2:
12,190,759 ÷ 2 = 6,095,379.5
If the quotient is a whole number, then 2 and 6,095,379.5 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 | 12,190,759 | |
| -1 | -12,190,759 |
Now, we try dividing 12,190,759 by 3:
12,190,759 ÷ 3 = 4,063,586.3333
If the quotient is a whole number, then 3 and 4,063,586.3333 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 | 12,190,759 | |
| -1 | -12,190,759 |
Let's try dividing by 4:
12,190,759 ÷ 4 = 3,047,689.75
If the quotient is a whole number, then 4 and 3,047,689.75 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 | 12,190,759 | |
| -1 | 12,190,759 |
If you did it right, you will end up with this table:
| 1 | 7 | 23 | 29 | 49 | 161 | 203 | 373 | 667 | 1,127 | 1,421 | 2,611 | 4,669 | 8,579 | 10,817 | 18,277 | 32,683 | 60,053 | 75,719 | 248,791 | 420,371 | 530,033 | 1,741,537 | 12,190,759 |
| -1 | -7 | -23 | -29 | -49 | -161 | -203 | -373 | -667 | -1,127 | -1,421 | -2,611 | -4,669 | -8,579 | -10,817 | -18,277 | -32,683 | -60,053 | -75,719 | -248,791 | -420,371 | -530,033 | -1,741,537 | -12,190,759 |
Here are some more numbers to try:
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