A:
Positive:
1 x 600154877 x 857364123 x 260936943 x 1395709161 x 372767301 x 199387989 x 606836923 x 8669
Negative:
-1 x -60015487-7 x -8573641-23 x -2609369-43 x -1395709-161 x -372767-301 x -199387-989 x -60683-6923 x -8669
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 60,015,487, 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 | 60,015,487 | |
| -1 | -60,015,487 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 60,015,487.
Example:
1 x 60,015,487 = 60,015,487
and
-1 x -60,015,487 = 60,015,487
Notice both answers equal 60,015,487
With that explanation out of the way, let's continue. Next, we take the number 60,015,487 and divide it by 2:
60,015,487 ÷ 2 = 30,007,743.5
If the quotient is a whole number, then 2 and 30,007,743.5 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 | 60,015,487 | |
| -1 | -60,015,487 |
Now, we try dividing 60,015,487 by 3:
60,015,487 ÷ 3 = 20,005,162.3333
If the quotient is a whole number, then 3 and 20,005,162.3333 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 | 60,015,487 | |
| -1 | -60,015,487 |
Let's try dividing by 4:
60,015,487 ÷ 4 = 15,003,871.75
If the quotient is a whole number, then 4 and 15,003,871.75 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 | 60,015,487 | |
| -1 | 60,015,487 |
If you did it right, you will end up with this table:
| 1 | 7 | 23 | 43 | 161 | 301 | 989 | 6,923 | 8,669 | 60,683 | 199,387 | 372,767 | 1,395,709 | 2,609,369 | 8,573,641 | 60,015,487 |
| -1 | -7 | -23 | -43 | -161 | -301 | -989 | -6,923 | -8,669 | -60,683 | -199,387 | -372,767 | -1,395,709 | -2,609,369 | -8,573,641 | -60,015,487 |
Here are some more numbers to try:
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