A:
Positive:
1 x 518574655 x 1037149311 x 471431555 x 942863353 x 1469051765 x 293812671 x 194153883 x 13355
Negative:
-1 x -51857465-5 x -10371493-11 x -4714315-55 x -942863-353 x -146905-1765 x -29381-2671 x -19415-3883 x -13355
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 51,857,465, 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 | 51,857,465 | |
| -1 | -51,857,465 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 51,857,465.
Example:
1 x 51,857,465 = 51,857,465
and
-1 x -51,857,465 = 51,857,465
Notice both answers equal 51,857,465
With that explanation out of the way, let's continue. Next, we take the number 51,857,465 and divide it by 2:
51,857,465 ÷ 2 = 25,928,732.5
If the quotient is a whole number, then 2 and 25,928,732.5 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 | 51,857,465 | |
| -1 | -51,857,465 |
Now, we try dividing 51,857,465 by 3:
51,857,465 ÷ 3 = 17,285,821.6667
If the quotient is a whole number, then 3 and 17,285,821.6667 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 | 51,857,465 | |
| -1 | -51,857,465 |
Let's try dividing by 4:
51,857,465 ÷ 4 = 12,964,366.25
If the quotient is a whole number, then 4 and 12,964,366.25 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 | 51,857,465 | |
| -1 | 51,857,465 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 353 | 1,765 | 2,671 | 3,883 | 13,355 | 19,415 | 29,381 | 146,905 | 942,863 | 4,714,315 | 10,371,493 | 51,857,465 |
| -1 | -5 | -11 | -55 | -353 | -1,765 | -2,671 | -3,883 | -13,355 | -19,415 | -29,381 | -146,905 | -942,863 | -4,714,315 | -10,371,493 | -51,857,465 |
Here are some more numbers to try:
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