A:
Positive:
1 x 13764177 x 19663119 x 7244379 x 17423131 x 10507133 x 10349553 x 2489917 x 1501
Negative:
-1 x -1376417-7 x -196631-19 x -72443-79 x -17423-131 x -10507-133 x -10349-553 x -2489-917 x -1501
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 1,376,417, 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 | 1,376,417 | |
| -1 | -1,376,417 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,376,417.
Example:
1 x 1,376,417 = 1,376,417
and
-1 x -1,376,417 = 1,376,417
Notice both answers equal 1,376,417
With that explanation out of the way, let's continue. Next, we take the number 1,376,417 and divide it by 2:
1,376,417 ÷ 2 = 688,208.5
If the quotient is a whole number, then 2 and 688,208.5 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 | 1,376,417 | |
| -1 | -1,376,417 |
Now, we try dividing 1,376,417 by 3:
1,376,417 ÷ 3 = 458,805.6667
If the quotient is a whole number, then 3 and 458,805.6667 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 | 1,376,417 | |
| -1 | -1,376,417 |
Let's try dividing by 4:
1,376,417 ÷ 4 = 344,104.25
If the quotient is a whole number, then 4 and 344,104.25 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 | 1,376,417 | |
| -1 | 1,376,417 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 79 | 131 | 133 | 553 | 917 | 1,501 | 2,489 | 10,349 | 10,507 | 17,423 | 72,443 | 196,631 | 1,376,417 |
| -1 | -7 | -19 | -79 | -131 | -133 | -553 | -917 | -1,501 | -2,489 | -10,349 | -10,507 | -17,423 | -72,443 | -196,631 | -1,376,417 |
Here are some more numbers to try:
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