A:
Positive:
1 x 178128237 x 254468919 x 93751749 x 36352753 x 336091133 x 133931361 x 49343371 x 48013931 x 191331007 x 176892527 x 70492597 x 6859
Negative:
-1 x -17812823-7 x -2544689-19 x -937517-49 x -363527-53 x -336091-133 x -133931-361 x -49343-371 x -48013-931 x -19133-1007 x -17689-2527 x -7049-2597 x -6859
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 17,812,823, 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 | 17,812,823 | |
| -1 | -17,812,823 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 17,812,823.
Example:
1 x 17,812,823 = 17,812,823
and
-1 x -17,812,823 = 17,812,823
Notice both answers equal 17,812,823
With that explanation out of the way, let's continue. Next, we take the number 17,812,823 and divide it by 2:
17,812,823 ÷ 2 = 8,906,411.5
If the quotient is a whole number, then 2 and 8,906,411.5 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 | 17,812,823 | |
| -1 | -17,812,823 |
Now, we try dividing 17,812,823 by 3:
17,812,823 ÷ 3 = 5,937,607.6667
If the quotient is a whole number, then 3 and 5,937,607.6667 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 | 17,812,823 | |
| -1 | -17,812,823 |
Let's try dividing by 4:
17,812,823 ÷ 4 = 4,453,205.75
If the quotient is a whole number, then 4 and 4,453,205.75 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 | 17,812,823 | |
| -1 | 17,812,823 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 49 | 53 | 133 | 361 | 371 | 931 | 1,007 | 2,527 | 2,597 | 6,859 | 7,049 | 17,689 | 19,133 | 48,013 | 49,343 | 133,931 | 336,091 | 363,527 | 937,517 | 2,544,689 | 17,812,823 |
| -1 | -7 | -19 | -49 | -53 | -133 | -361 | -371 | -931 | -1,007 | -2,527 | -2,597 | -6,859 | -7,049 | -17,689 | -19,133 | -48,013 | -49,343 | -133,931 | -336,091 | -363,527 | -937,517 | -2,544,689 | -17,812,823 |
Here are some more numbers to try:
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