A:
Positive:
1 x 1666365555 x 3332731119 x 877034595 x 1754069733 x 2273352393 x 696353665 x 4546711965 x 13927
Negative:
-1 x -166636555-5 x -33327311-19 x -8770345-95 x -1754069-733 x -227335-2393 x -69635-3665 x -45467-11965 x -13927
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 166,636,555, 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 | 166,636,555 | |
| -1 | -166,636,555 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 166,636,555.
Example:
1 x 166,636,555 = 166,636,555
and
-1 x -166,636,555 = 166,636,555
Notice both answers equal 166,636,555
With that explanation out of the way, let's continue. Next, we take the number 166,636,555 and divide it by 2:
166,636,555 ÷ 2 = 83,318,277.5
If the quotient is a whole number, then 2 and 83,318,277.5 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 | 166,636,555 | |
| -1 | -166,636,555 |
Now, we try dividing 166,636,555 by 3:
166,636,555 ÷ 3 = 55,545,518.3333
If the quotient is a whole number, then 3 and 55,545,518.3333 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 | 166,636,555 | |
| -1 | -166,636,555 |
Let's try dividing by 4:
166,636,555 ÷ 4 = 41,659,138.75
If the quotient is a whole number, then 4 and 41,659,138.75 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 | 166,636,555 | |
| -1 | 166,636,555 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 95 | 733 | 2,393 | 3,665 | 11,965 | 13,927 | 45,467 | 69,635 | 227,335 | 1,754,069 | 8,770,345 | 33,327,311 | 166,636,555 |
| -1 | -5 | -19 | -95 | -733 | -2,393 | -3,665 | -11,965 | -13,927 | -45,467 | -69,635 | -227,335 | -1,754,069 | -8,770,345 | -33,327,311 | -166,636,555 |
Here are some more numbers to try:
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