A:
Positive:
1 x 190609755 x 381219525 x 76243929 x 65727561 x 312475145 x 131455305 x 62495431 x 44225725 x 262911525 x 124991769 x 107752155 x 8845
Negative:
-1 x -19060975-5 x -3812195-25 x -762439-29 x -657275-61 x -312475-145 x -131455-305 x -62495-431 x -44225-725 x -26291-1525 x -12499-1769 x -10775-2155 x -8845
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 19,060,975, 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 | 19,060,975 | |
| -1 | -19,060,975 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 19,060,975.
Example:
1 x 19,060,975 = 19,060,975
and
-1 x -19,060,975 = 19,060,975
Notice both answers equal 19,060,975
With that explanation out of the way, let's continue. Next, we take the number 19,060,975 and divide it by 2:
19,060,975 ÷ 2 = 9,530,487.5
If the quotient is a whole number, then 2 and 9,530,487.5 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 | 19,060,975 | |
| -1 | -19,060,975 |
Now, we try dividing 19,060,975 by 3:
19,060,975 ÷ 3 = 6,353,658.3333
If the quotient is a whole number, then 3 and 6,353,658.3333 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 | 19,060,975 | |
| -1 | -19,060,975 |
Let's try dividing by 4:
19,060,975 ÷ 4 = 4,765,243.75
If the quotient is a whole number, then 4 and 4,765,243.75 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 | 19,060,975 | |
| -1 | 19,060,975 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 29 | 61 | 145 | 305 | 431 | 725 | 1,525 | 1,769 | 2,155 | 8,845 | 10,775 | 12,499 | 26,291 | 44,225 | 62,495 | 131,455 | 312,475 | 657,275 | 762,439 | 3,812,195 | 19,060,975 |
| -1 | -5 | -25 | -29 | -61 | -145 | -305 | -431 | -725 | -1,525 | -1,769 | -2,155 | -8,845 | -10,775 | -12,499 | -26,291 | -44,225 | -62,495 | -131,455 | -312,475 | -657,275 | -762,439 | -3,812,195 | -19,060,975 |
Here are some more numbers to try:
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