A:
Positive:
1 x 18610755 x 37221517 x 10947525 x 7444329 x 6417585 x 21895145 x 12835151 x 12325425 x 4379493 x 3775725 x 2567755 x 2465
Negative:
-1 x -1861075-5 x -372215-17 x -109475-25 x -74443-29 x -64175-85 x -21895-145 x -12835-151 x -12325-425 x -4379-493 x -3775-725 x -2567-755 x -2465
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 1,861,075, 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 | 1,861,075 | |
| -1 | -1,861,075 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,861,075.
Example:
1 x 1,861,075 = 1,861,075
and
-1 x -1,861,075 = 1,861,075
Notice both answers equal 1,861,075
With that explanation out of the way, let's continue. Next, we take the number 1,861,075 and divide it by 2:
1,861,075 ÷ 2 = 930,537.5
If the quotient is a whole number, then 2 and 930,537.5 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 | 1,861,075 | |
| -1 | -1,861,075 |
Now, we try dividing 1,861,075 by 3:
1,861,075 ÷ 3 = 620,358.3333
If the quotient is a whole number, then 3 and 620,358.3333 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 | 1,861,075 | |
| -1 | -1,861,075 |
Let's try dividing by 4:
1,861,075 ÷ 4 = 465,268.75
If the quotient is a whole number, then 4 and 465,268.75 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 | 1,861,075 | |
| -1 | 1,861,075 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 25 | 29 | 85 | 145 | 151 | 425 | 493 | 725 | 755 | 2,465 | 2,567 | 3,775 | 4,379 | 12,325 | 12,835 | 21,895 | 64,175 | 74,443 | 109,475 | 372,215 | 1,861,075 |
| -1 | -5 | -17 | -25 | -29 | -85 | -145 | -151 | -425 | -493 | -725 | -755 | -2,465 | -2,567 | -3,775 | -4,379 | -12,325 | -12,835 | -21,895 | -64,175 | -74,443 | -109,475 | -372,215 | -1,861,075 |
Here are some more numbers to try:
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