A:
Positive:
1 x 9796873911 x 890624917 x 576286797 x 1009987121 x 809659187 x 523897491 x 1995291067 x 918171649 x 594112057 x 476275401 x 181398347 x 11737
Negative:
-1 x -97968739-11 x -8906249-17 x -5762867-97 x -1009987-121 x -809659-187 x -523897-491 x -199529-1067 x -91817-1649 x -59411-2057 x -47627-5401 x -18139-8347 x -11737
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 97,968,739, 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 | 97,968,739 | |
| -1 | -97,968,739 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 97,968,739.
Example:
1 x 97,968,739 = 97,968,739
and
-1 x -97,968,739 = 97,968,739
Notice both answers equal 97,968,739
With that explanation out of the way, let's continue. Next, we take the number 97,968,739 and divide it by 2:
97,968,739 ÷ 2 = 48,984,369.5
If the quotient is a whole number, then 2 and 48,984,369.5 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 | 97,968,739 | |
| -1 | -97,968,739 |
Now, we try dividing 97,968,739 by 3:
97,968,739 ÷ 3 = 32,656,246.3333
If the quotient is a whole number, then 3 and 32,656,246.3333 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 | 97,968,739 | |
| -1 | -97,968,739 |
Let's try dividing by 4:
97,968,739 ÷ 4 = 24,492,184.75
If the quotient is a whole number, then 4 and 24,492,184.75 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 | 97,968,739 | |
| -1 | 97,968,739 |
If you did it right, you will end up with this table:
| 1 | 11 | 17 | 97 | 121 | 187 | 491 | 1,067 | 1,649 | 2,057 | 5,401 | 8,347 | 11,737 | 18,139 | 47,627 | 59,411 | 91,817 | 199,529 | 523,897 | 809,659 | 1,009,987 | 5,762,867 | 8,906,249 | 97,968,739 |
| -1 | -11 | -17 | -97 | -121 | -187 | -491 | -1,067 | -1,649 | -2,057 | -5,401 | -8,347 | -11,737 | -18,139 | -47,627 | -59,411 | -91,817 | -199,529 | -523,897 | -809,659 | -1,009,987 | -5,762,867 | -8,906,249 | -97,968,739 |
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