A:
Positive:
1 x 555006137 x 7928659167 x 332339197 x 281729241 x 2302931169 x 474771379 x 402471687 x 32899
Negative:
-1 x -55500613-7 x -7928659-167 x -332339-197 x -281729-241 x -230293-1169 x -47477-1379 x -40247-1687 x -32899
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 55,500,613, 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 | 55,500,613 | |
| -1 | -55,500,613 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 55,500,613.
Example:
1 x 55,500,613 = 55,500,613
and
-1 x -55,500,613 = 55,500,613
Notice both answers equal 55,500,613
With that explanation out of the way, let's continue. Next, we take the number 55,500,613 and divide it by 2:
55,500,613 ÷ 2 = 27,750,306.5
If the quotient is a whole number, then 2 and 27,750,306.5 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 | 55,500,613 | |
| -1 | -55,500,613 |
Now, we try dividing 55,500,613 by 3:
55,500,613 ÷ 3 = 18,500,204.3333
If the quotient is a whole number, then 3 and 18,500,204.3333 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 | 55,500,613 | |
| -1 | -55,500,613 |
Let's try dividing by 4:
55,500,613 ÷ 4 = 13,875,153.25
If the quotient is a whole number, then 4 and 13,875,153.25 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 | 55,500,613 | |
| -1 | 55,500,613 |
If you did it right, you will end up with this table:
| 1 | 7 | 167 | 197 | 241 | 1,169 | 1,379 | 1,687 | 32,899 | 40,247 | 47,477 | 230,293 | 281,729 | 332,339 | 7,928,659 | 55,500,613 |
| -1 | -7 | -167 | -197 | -241 | -1,169 | -1,379 | -1,687 | -32,899 | -40,247 | -47,477 | -230,293 | -281,729 | -332,339 | -7,928,659 | -55,500,613 |
Here are some more numbers to try:
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