A:
Positive:
1 x 624072477 x 891532131 x 2013137139 x 448973217 x 287591973 x 641392069 x 301634309 x 14483
Negative:
-1 x -62407247-7 x -8915321-31 x -2013137-139 x -448973-217 x -287591-973 x -64139-2069 x -30163-4309 x -14483
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 62,407,247, 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 | 62,407,247 | |
| -1 | -62,407,247 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 62,407,247.
Example:
1 x 62,407,247 = 62,407,247
and
-1 x -62,407,247 = 62,407,247
Notice both answers equal 62,407,247
With that explanation out of the way, let's continue. Next, we take the number 62,407,247 and divide it by 2:
62,407,247 ÷ 2 = 31,203,623.5
If the quotient is a whole number, then 2 and 31,203,623.5 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 | 62,407,247 | |
| -1 | -62,407,247 |
Now, we try dividing 62,407,247 by 3:
62,407,247 ÷ 3 = 20,802,415.6667
If the quotient is a whole number, then 3 and 20,802,415.6667 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 | 62,407,247 | |
| -1 | -62,407,247 |
Let's try dividing by 4:
62,407,247 ÷ 4 = 15,601,811.75
If the quotient is a whole number, then 4 and 15,601,811.75 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 | 62,407,247 | |
| -1 | 62,407,247 |
If you did it right, you will end up with this table:
| 1 | 7 | 31 | 139 | 217 | 973 | 2,069 | 4,309 | 14,483 | 30,163 | 64,139 | 287,591 | 448,973 | 2,013,137 | 8,915,321 | 62,407,247 |
| -1 | -7 | -31 | -139 | -217 | -973 | -2,069 | -4,309 | -14,483 | -30,163 | -64,139 | -287,591 | -448,973 | -2,013,137 | -8,915,321 | -62,407,247 |
Here are some more numbers to try:
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