A:
Positive:
1 x 41557677 x 59368111 x 37779731 x 13405777 x 53971217 x 19151341 x 121871741 x 2387
Negative:
-1 x -4155767-7 x -593681-11 x -377797-31 x -134057-77 x -53971-217 x -19151-341 x -12187-1741 x -2387
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 4,155,767, 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 | 4,155,767 | |
| -1 | -4,155,767 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,155,767.
Example:
1 x 4,155,767 = 4,155,767
and
-1 x -4,155,767 = 4,155,767
Notice both answers equal 4,155,767
With that explanation out of the way, let's continue. Next, we take the number 4,155,767 and divide it by 2:
4,155,767 ÷ 2 = 2,077,883.5
If the quotient is a whole number, then 2 and 2,077,883.5 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 | 4,155,767 | |
| -1 | -4,155,767 |
Now, we try dividing 4,155,767 by 3:
4,155,767 ÷ 3 = 1,385,255.6667
If the quotient is a whole number, then 3 and 1,385,255.6667 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 | 4,155,767 | |
| -1 | -4,155,767 |
Let's try dividing by 4:
4,155,767 ÷ 4 = 1,038,941.75
If the quotient is a whole number, then 4 and 1,038,941.75 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 | 4,155,767 | |
| -1 | 4,155,767 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 31 | 77 | 217 | 341 | 1,741 | 2,387 | 12,187 | 19,151 | 53,971 | 134,057 | 377,797 | 593,681 | 4,155,767 |
| -1 | -7 | -11 | -31 | -77 | -217 | -341 | -1,741 | -2,387 | -12,187 | -19,151 | -53,971 | -134,057 | -377,797 | -593,681 | -4,155,767 |
Here are some more numbers to try:
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