A:
Positive:
1 x 16669255 x 33338513 x 12822523 x 7247525 x 6667765 x 25645115 x 14495223 x 7475299 x 5575325 x 5129575 x 28991115 x 1495
Negative:
-1 x -1666925-5 x -333385-13 x -128225-23 x -72475-25 x -66677-65 x -25645-115 x -14495-223 x -7475-299 x -5575-325 x -5129-575 x -2899-1115 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 1,666,925, 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 | 1,666,925 | |
| -1 | -1,666,925 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,666,925.
Example:
1 x 1,666,925 = 1,666,925
and
-1 x -1,666,925 = 1,666,925
Notice both answers equal 1,666,925
With that explanation out of the way, let's continue. Next, we take the number 1,666,925 and divide it by 2:
1,666,925 ÷ 2 = 833,462.5
If the quotient is a whole number, then 2 and 833,462.5 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 | 1,666,925 | |
| -1 | -1,666,925 |
Now, we try dividing 1,666,925 by 3:
1,666,925 ÷ 3 = 555,641.6667
If the quotient is a whole number, then 3 and 555,641.6667 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 | 1,666,925 | |
| -1 | -1,666,925 |
Let's try dividing by 4:
1,666,925 ÷ 4 = 416,731.25
If the quotient is a whole number, then 4 and 416,731.25 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 | 1,666,925 | |
| -1 | 1,666,925 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 23 | 25 | 65 | 115 | 223 | 299 | 325 | 575 | 1,115 | 1,495 | 2,899 | 5,129 | 5,575 | 7,475 | 14,495 | 25,645 | 66,677 | 72,475 | 128,225 | 333,385 | 1,666,925 |
| -1 | -5 | -13 | -23 | -25 | -65 | -115 | -223 | -299 | -325 | -575 | -1,115 | -1,495 | -2,899 | -5,129 | -5,575 | -7,475 | -14,495 | -25,645 | -66,677 | -72,475 | -128,225 | -333,385 | -1,666,925 |
Here are some more numbers to try:
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