A:
Positive:
1 x 39240255 x 7848057 x 56057517 x 23082525 x 15696135 x 11211585 x 46165119 x 32975175 x 22423425 x 9233595 x 65951319 x 2975
Negative:
-1 x -3924025-5 x -784805-7 x -560575-17 x -230825-25 x -156961-35 x -112115-85 x -46165-119 x -32975-175 x -22423-425 x -9233-595 x -6595-1319 x -2975
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 3,924,025, 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 | 3,924,025 | |
| -1 | -3,924,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,924,025.
Example:
1 x 3,924,025 = 3,924,025
and
-1 x -3,924,025 = 3,924,025
Notice both answers equal 3,924,025
With that explanation out of the way, let's continue. Next, we take the number 3,924,025 and divide it by 2:
3,924,025 ÷ 2 = 1,962,012.5
If the quotient is a whole number, then 2 and 1,962,012.5 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 | 3,924,025 | |
| -1 | -3,924,025 |
Now, we try dividing 3,924,025 by 3:
3,924,025 ÷ 3 = 1,308,008.3333
If the quotient is a whole number, then 3 and 1,308,008.3333 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 | 3,924,025 | |
| -1 | -3,924,025 |
Let's try dividing by 4:
3,924,025 ÷ 4 = 981,006.25
If the quotient is a whole number, then 4 and 981,006.25 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 | 3,924,025 | |
| -1 | 3,924,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 17 | 25 | 35 | 85 | 119 | 175 | 425 | 595 | 1,319 | 2,975 | 6,595 | 9,233 | 22,423 | 32,975 | 46,165 | 112,115 | 156,961 | 230,825 | 560,575 | 784,805 | 3,924,025 |
| -1 | -5 | -7 | -17 | -25 | -35 | -85 | -119 | -175 | -425 | -595 | -1,319 | -2,975 | -6,595 | -9,233 | -22,423 | -32,975 | -46,165 | -112,115 | -156,961 | -230,825 | -560,575 | -784,805 | -3,924,025 |
Here are some more numbers to try:
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