A:
Positive:
1 x 672865555 x 134573117 x 961236535 x 192247349 x 1373195193 x 348635245 x 274639965 x 697271351 x 498051423 x 472856755 x 99617115 x 9457
Negative:
-1 x -67286555-5 x -13457311-7 x -9612365-35 x -1922473-49 x -1373195-193 x -348635-245 x -274639-965 x -69727-1351 x -49805-1423 x -47285-6755 x -9961-7115 x -9457
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 67,286,555, 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 | 67,286,555 | |
| -1 | -67,286,555 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 67,286,555.
Example:
1 x 67,286,555 = 67,286,555
and
-1 x -67,286,555 = 67,286,555
Notice both answers equal 67,286,555
With that explanation out of the way, let's continue. Next, we take the number 67,286,555 and divide it by 2:
67,286,555 ÷ 2 = 33,643,277.5
If the quotient is a whole number, then 2 and 33,643,277.5 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 | 67,286,555 | |
| -1 | -67,286,555 |
Now, we try dividing 67,286,555 by 3:
67,286,555 ÷ 3 = 22,428,851.6667
If the quotient is a whole number, then 3 and 22,428,851.6667 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 | 67,286,555 | |
| -1 | -67,286,555 |
Let's try dividing by 4:
67,286,555 ÷ 4 = 16,821,638.75
If the quotient is a whole number, then 4 and 16,821,638.75 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 | 67,286,555 | |
| -1 | 67,286,555 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 193 | 245 | 965 | 1,351 | 1,423 | 6,755 | 7,115 | 9,457 | 9,961 | 47,285 | 49,805 | 69,727 | 274,639 | 348,635 | 1,373,195 | 1,922,473 | 9,612,365 | 13,457,311 | 67,286,555 |
| -1 | -5 | -7 | -35 | -49 | -193 | -245 | -965 | -1,351 | -1,423 | -6,755 | -7,115 | -9,457 | -9,961 | -47,285 | -49,805 | -69,727 | -274,639 | -348,635 | -1,373,195 | -1,922,473 | -9,612,365 | -13,457,311 | -67,286,555 |
Here are some more numbers to try:
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