A:
Positive:
1 x 1420521713 x 109270917 x 83560119 x 747643199 x 71383221 x 64277247 x 57511289 x 49153323 x 439792587 x 54913383 x 41993757 x 3781
Negative:
-1 x -14205217-13 x -1092709-17 x -835601-19 x -747643-199 x -71383-221 x -64277-247 x -57511-289 x -49153-323 x -43979-2587 x -5491-3383 x -4199-3757 x -3781
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 14,205,217, 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 | 14,205,217 | |
| -1 | -14,205,217 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 14,205,217.
Example:
1 x 14,205,217 = 14,205,217
and
-1 x -14,205,217 = 14,205,217
Notice both answers equal 14,205,217
With that explanation out of the way, let's continue. Next, we take the number 14,205,217 and divide it by 2:
14,205,217 ÷ 2 = 7,102,608.5
If the quotient is a whole number, then 2 and 7,102,608.5 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 | 14,205,217 | |
| -1 | -14,205,217 |
Now, we try dividing 14,205,217 by 3:
14,205,217 ÷ 3 = 4,735,072.3333
If the quotient is a whole number, then 3 and 4,735,072.3333 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 | 14,205,217 | |
| -1 | -14,205,217 |
Let's try dividing by 4:
14,205,217 ÷ 4 = 3,551,304.25
If the quotient is a whole number, then 4 and 3,551,304.25 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 | 14,205,217 | |
| -1 | 14,205,217 |
If you did it right, you will end up with this table:
| 1 | 13 | 17 | 19 | 199 | 221 | 247 | 289 | 323 | 2,587 | 3,383 | 3,757 | 3,781 | 4,199 | 5,491 | 43,979 | 49,153 | 57,511 | 64,277 | 71,383 | 747,643 | 835,601 | 1,092,709 | 14,205,217 |
| -1 | -13 | -17 | -19 | -199 | -221 | -247 | -289 | -323 | -2,587 | -3,383 | -3,757 | -3,781 | -4,199 | -5,491 | -43,979 | -49,153 | -57,511 | -64,277 | -71,383 | -747,643 | -835,601 | -1,092,709 | -14,205,217 |
Here are some more numbers to try:
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