A:
Positive:
1 x 18704955 x 37409911 x 17004555 x 3400971 x 26345355 x 5269479 x 3905781 x 2395
Negative:
-1 x -1870495-5 x -374099-11 x -170045-55 x -34009-71 x -26345-355 x -5269-479 x -3905-781 x -2395
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 1,870,495, 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 | 1,870,495 | |
| -1 | -1,870,495 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,870,495.
Example:
1 x 1,870,495 = 1,870,495
and
-1 x -1,870,495 = 1,870,495
Notice both answers equal 1,870,495
With that explanation out of the way, let's continue. Next, we take the number 1,870,495 and divide it by 2:
1,870,495 ÷ 2 = 935,247.5
If the quotient is a whole number, then 2 and 935,247.5 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 | 1,870,495 | |
| -1 | -1,870,495 |
Now, we try dividing 1,870,495 by 3:
1,870,495 ÷ 3 = 623,498.3333
If the quotient is a whole number, then 3 and 623,498.3333 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 | 1,870,495 | |
| -1 | -1,870,495 |
Let's try dividing by 4:
1,870,495 ÷ 4 = 467,623.75
If the quotient is a whole number, then 4 and 467,623.75 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 | 1,870,495 | |
| -1 | 1,870,495 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 71 | 355 | 479 | 781 | 2,395 | 3,905 | 5,269 | 26,345 | 34,009 | 170,045 | 374,099 | 1,870,495 |
| -1 | -5 | -11 | -55 | -71 | -355 | -479 | -781 | -2,395 | -3,905 | -5,269 | -26,345 | -34,009 | -170,045 | -374,099 | -1,870,495 |
Here are some more numbers to try:
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