A:
Positive:
1 x 516113655 x 1032227313 x 397010565 x 79402173 x 707005149 x 346385365 x 141401745 x 69277949 x 543851937 x 266454745 x 108775329 x 9685
Negative:
-1 x -51611365-5 x -10322273-13 x -3970105-65 x -794021-73 x -707005-149 x -346385-365 x -141401-745 x -69277-949 x -54385-1937 x -26645-4745 x -10877-5329 x -9685
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 51,611,365, 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 | 51,611,365 | |
| -1 | -51,611,365 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 51,611,365.
Example:
1 x 51,611,365 = 51,611,365
and
-1 x -51,611,365 = 51,611,365
Notice both answers equal 51,611,365
With that explanation out of the way, let's continue. Next, we take the number 51,611,365 and divide it by 2:
51,611,365 ÷ 2 = 25,805,682.5
If the quotient is a whole number, then 2 and 25,805,682.5 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 | 51,611,365 | |
| -1 | -51,611,365 |
Now, we try dividing 51,611,365 by 3:
51,611,365 ÷ 3 = 17,203,788.3333
If the quotient is a whole number, then 3 and 17,203,788.3333 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 | 51,611,365 | |
| -1 | -51,611,365 |
Let's try dividing by 4:
51,611,365 ÷ 4 = 12,902,841.25
If the quotient is a whole number, then 4 and 12,902,841.25 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 | 51,611,365 | |
| -1 | 51,611,365 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 73 | 149 | 365 | 745 | 949 | 1,937 | 4,745 | 5,329 | 9,685 | 10,877 | 26,645 | 54,385 | 69,277 | 141,401 | 346,385 | 707,005 | 794,021 | 3,970,105 | 10,322,273 | 51,611,365 |
| -1 | -5 | -13 | -65 | -73 | -149 | -365 | -745 | -949 | -1,937 | -4,745 | -5,329 | -9,685 | -10,877 | -26,645 | -54,385 | -69,277 | -141,401 | -346,385 | -707,005 | -794,021 | -3,970,105 | -10,322,273 | -51,611,365 |
Here are some more numbers to try:
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