A:
Positive:
1 x 602130655 x 1204261311 x 547391517 x 354194555 x 109478385 x 708389187 x 321995935 x 64399
Negative:
-1 x -60213065-5 x -12042613-11 x -5473915-17 x -3541945-55 x -1094783-85 x -708389-187 x -321995-935 x -64399
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 60,213,065, 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 | 60,213,065 | |
| -1 | -60,213,065 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 60,213,065.
Example:
1 x 60,213,065 = 60,213,065
and
-1 x -60,213,065 = 60,213,065
Notice both answers equal 60,213,065
With that explanation out of the way, let's continue. Next, we take the number 60,213,065 and divide it by 2:
60,213,065 ÷ 2 = 30,106,532.5
If the quotient is a whole number, then 2 and 30,106,532.5 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 | 60,213,065 | |
| -1 | -60,213,065 |
Now, we try dividing 60,213,065 by 3:
60,213,065 ÷ 3 = 20,071,021.6667
If the quotient is a whole number, then 3 and 20,071,021.6667 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 | 60,213,065 | |
| -1 | -60,213,065 |
Let's try dividing by 4:
60,213,065 ÷ 4 = 15,053,266.25
If the quotient is a whole number, then 4 and 15,053,266.25 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 | 60,213,065 | |
| -1 | 60,213,065 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 17 | 55 | 85 | 187 | 935 | 64,399 | 321,995 | 708,389 | 1,094,783 | 3,541,945 | 5,473,915 | 12,042,613 | 60,213,065 |
| -1 | -5 | -11 | -17 | -55 | -85 | -187 | -935 | -64,399 | -321,995 | -708,389 | -1,094,783 | -3,541,945 | -5,473,915 | -12,042,613 | -60,213,065 |
Here are some more numbers to try:
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