A:
Positive:
1 x 366211517 x 523159319 x 1927429133 x 275347251 x 1459011097 x 333831757 x 208434769 x 7679
Negative:
-1 x -36621151-7 x -5231593-19 x -1927429-133 x -275347-251 x -145901-1097 x -33383-1757 x -20843-4769 x -7679
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 36,621,151, 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 | 36,621,151 | |
| -1 | -36,621,151 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 36,621,151.
Example:
1 x 36,621,151 = 36,621,151
and
-1 x -36,621,151 = 36,621,151
Notice both answers equal 36,621,151
With that explanation out of the way, let's continue. Next, we take the number 36,621,151 and divide it by 2:
36,621,151 ÷ 2 = 18,310,575.5
If the quotient is a whole number, then 2 and 18,310,575.5 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 | 36,621,151 | |
| -1 | -36,621,151 |
Now, we try dividing 36,621,151 by 3:
36,621,151 ÷ 3 = 12,207,050.3333
If the quotient is a whole number, then 3 and 12,207,050.3333 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 | 36,621,151 | |
| -1 | -36,621,151 |
Let's try dividing by 4:
36,621,151 ÷ 4 = 9,155,287.75
If the quotient is a whole number, then 4 and 9,155,287.75 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 | 36,621,151 | |
| -1 | 36,621,151 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 133 | 251 | 1,097 | 1,757 | 4,769 | 7,679 | 20,843 | 33,383 | 145,901 | 275,347 | 1,927,429 | 5,231,593 | 36,621,151 |
| -1 | -7 | -19 | -133 | -251 | -1,097 | -1,757 | -4,769 | -7,679 | -20,843 | -33,383 | -145,901 | -275,347 | -1,927,429 | -5,231,593 | -36,621,151 |
Here are some more numbers to try:
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