A:
Positive:
1 x 662624655 x 1325249373 x 907705365 x 181541379 x 174835479 x 1383351895 x 349672395 x 27667
Negative:
-1 x -66262465-5 x -13252493-73 x -907705-365 x -181541-379 x -174835-479 x -138335-1895 x -34967-2395 x -27667
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 66,262,465, 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 | 66,262,465 | |
| -1 | -66,262,465 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 66,262,465.
Example:
1 x 66,262,465 = 66,262,465
and
-1 x -66,262,465 = 66,262,465
Notice both answers equal 66,262,465
With that explanation out of the way, let's continue. Next, we take the number 66,262,465 and divide it by 2:
66,262,465 ÷ 2 = 33,131,232.5
If the quotient is a whole number, then 2 and 33,131,232.5 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 | 66,262,465 | |
| -1 | -66,262,465 |
Now, we try dividing 66,262,465 by 3:
66,262,465 ÷ 3 = 22,087,488.3333
If the quotient is a whole number, then 3 and 22,087,488.3333 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 | 66,262,465 | |
| -1 | -66,262,465 |
Let's try dividing by 4:
66,262,465 ÷ 4 = 16,565,616.25
If the quotient is a whole number, then 4 and 16,565,616.25 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 | 66,262,465 | |
| -1 | 66,262,465 |
If you did it right, you will end up with this table:
| 1 | 5 | 73 | 365 | 379 | 479 | 1,895 | 2,395 | 27,667 | 34,967 | 138,335 | 174,835 | 181,541 | 907,705 | 13,252,493 | 66,262,465 |
| -1 | -5 | -73 | -365 | -379 | -479 | -1,895 | -2,395 | -27,667 | -34,967 | -138,335 | -174,835 | -181,541 | -907,705 | -13,252,493 | -66,262,465 |
Here are some more numbers to try:
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