A:
Positive:
1 x 13798855 x 27597713 x 10614523 x 5999565 x 2122971 x 19435115 x 11999169 x 8165299 x 4615355 x 3887845 x 1633923 x 1495
Negative:
-1 x -1379885-5 x -275977-13 x -106145-23 x -59995-65 x -21229-71 x -19435-115 x -11999-169 x -8165-299 x -4615-355 x -3887-845 x -1633-923 x -1495
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 1,379,885, 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 | 1,379,885 | |
| -1 | -1,379,885 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,379,885.
Example:
1 x 1,379,885 = 1,379,885
and
-1 x -1,379,885 = 1,379,885
Notice both answers equal 1,379,885
With that explanation out of the way, let's continue. Next, we take the number 1,379,885 and divide it by 2:
1,379,885 ÷ 2 = 689,942.5
If the quotient is a whole number, then 2 and 689,942.5 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 | 1,379,885 | |
| -1 | -1,379,885 |
Now, we try dividing 1,379,885 by 3:
1,379,885 ÷ 3 = 459,961.6667
If the quotient is a whole number, then 3 and 459,961.6667 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 | 1,379,885 | |
| -1 | -1,379,885 |
Let's try dividing by 4:
1,379,885 ÷ 4 = 344,971.25
If the quotient is a whole number, then 4 and 344,971.25 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 | 1,379,885 | |
| -1 | 1,379,885 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 23 | 65 | 71 | 115 | 169 | 299 | 355 | 845 | 923 | 1,495 | 1,633 | 3,887 | 4,615 | 8,165 | 11,999 | 19,435 | 21,229 | 59,995 | 106,145 | 275,977 | 1,379,885 |
| -1 | -5 | -13 | -23 | -65 | -71 | -115 | -169 | -299 | -355 | -845 | -923 | -1,495 | -1,633 | -3,887 | -4,615 | -8,165 | -11,999 | -19,435 | -21,229 | -59,995 | -106,145 | -275,977 | -1,379,885 |
Here are some more numbers to try:
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