A:
Positive:
1 x 617888537 x 882697937 x 166996949 x 1260997173 x 357161197 x 313649259 x 2385671211 x 510231379 x 448071813 x 340816401 x 96537289 x 8477
Negative:
-1 x -61788853-7 x -8826979-37 x -1669969-49 x -1260997-173 x -357161-197 x -313649-259 x -238567-1211 x -51023-1379 x -44807-1813 x -34081-6401 x -9653-7289 x -8477
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 61,788,853, 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 | 61,788,853 | |
| -1 | -61,788,853 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 61,788,853.
Example:
1 x 61,788,853 = 61,788,853
and
-1 x -61,788,853 = 61,788,853
Notice both answers equal 61,788,853
With that explanation out of the way, let's continue. Next, we take the number 61,788,853 and divide it by 2:
61,788,853 ÷ 2 = 30,894,426.5
If the quotient is a whole number, then 2 and 30,894,426.5 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 | 61,788,853 | |
| -1 | -61,788,853 |
Now, we try dividing 61,788,853 by 3:
61,788,853 ÷ 3 = 20,596,284.3333
If the quotient is a whole number, then 3 and 20,596,284.3333 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 | 61,788,853 | |
| -1 | -61,788,853 |
Let's try dividing by 4:
61,788,853 ÷ 4 = 15,447,213.25
If the quotient is a whole number, then 4 and 15,447,213.25 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 | 61,788,853 | |
| -1 | 61,788,853 |
If you did it right, you will end up with this table:
| 1 | 7 | 37 | 49 | 173 | 197 | 259 | 1,211 | 1,379 | 1,813 | 6,401 | 7,289 | 8,477 | 9,653 | 34,081 | 44,807 | 51,023 | 238,567 | 313,649 | 357,161 | 1,260,997 | 1,669,969 | 8,826,979 | 61,788,853 |
| -1 | -7 | -37 | -49 | -173 | -197 | -259 | -1,211 | -1,379 | -1,813 | -6,401 | -7,289 | -8,477 | -9,653 | -34,081 | -44,807 | -51,023 | -238,567 | -313,649 | -357,161 | -1,260,997 | -1,669,969 | -8,826,979 | -61,788,853 |
Here are some more numbers to try:
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