A:
Positive:
1 x 292061913 x 22466329 x 10071161 x 47879127 x 22997377 x 7747793 x 36831651 x 1769
Negative:
-1 x -2920619-13 x -224663-29 x -100711-61 x -47879-127 x -22997-377 x -7747-793 x -3683-1651 x -1769
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 2,920,619, 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 | 2,920,619 | |
| -1 | -2,920,619 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,920,619.
Example:
1 x 2,920,619 = 2,920,619
and
-1 x -2,920,619 = 2,920,619
Notice both answers equal 2,920,619
With that explanation out of the way, let's continue. Next, we take the number 2,920,619 and divide it by 2:
2,920,619 ÷ 2 = 1,460,309.5
If the quotient is a whole number, then 2 and 1,460,309.5 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 | 2,920,619 | |
| -1 | -2,920,619 |
Now, we try dividing 2,920,619 by 3:
2,920,619 ÷ 3 = 973,539.6667
If the quotient is a whole number, then 3 and 973,539.6667 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 | 2,920,619 | |
| -1 | -2,920,619 |
Let's try dividing by 4:
2,920,619 ÷ 4 = 730,154.75
If the quotient is a whole number, then 4 and 730,154.75 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 | 2,920,619 | |
| -1 | 2,920,619 |
If you did it right, you will end up with this table:
| 1 | 13 | 29 | 61 | 127 | 377 | 793 | 1,651 | 1,769 | 3,683 | 7,747 | 22,997 | 47,879 | 100,711 | 224,663 | 2,920,619 |
| -1 | -13 | -29 | -61 | -127 | -377 | -793 | -1,651 | -1,769 | -3,683 | -7,747 | -22,997 | -47,879 | -100,711 | -224,663 | -2,920,619 |
Here are some more numbers to try:
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