A:
Positive:
1 x 1604737117 x 94396367 x 23951373 x 219827193 x 831471139 x 140891241 x 129313281 x 4891
Negative:
-1 x -16047371-17 x -943963-67 x -239513-73 x -219827-193 x -83147-1139 x -14089-1241 x -12931-3281 x -4891
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 16,047,371, 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 | 16,047,371 | |
| -1 | -16,047,371 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,047,371.
Example:
1 x 16,047,371 = 16,047,371
and
-1 x -16,047,371 = 16,047,371
Notice both answers equal 16,047,371
With that explanation out of the way, let's continue. Next, we take the number 16,047,371 and divide it by 2:
16,047,371 ÷ 2 = 8,023,685.5
If the quotient is a whole number, then 2 and 8,023,685.5 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 | 16,047,371 | |
| -1 | -16,047,371 |
Now, we try dividing 16,047,371 by 3:
16,047,371 ÷ 3 = 5,349,123.6667
If the quotient is a whole number, then 3 and 5,349,123.6667 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 | 16,047,371 | |
| -1 | -16,047,371 |
Let's try dividing by 4:
16,047,371 ÷ 4 = 4,011,842.75
If the quotient is a whole number, then 4 and 4,011,842.75 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 | 16,047,371 | |
| -1 | 16,047,371 |
If you did it right, you will end up with this table:
| 1 | 17 | 67 | 73 | 193 | 1,139 | 1,241 | 3,281 | 4,891 | 12,931 | 14,089 | 83,147 | 219,827 | 239,513 | 943,963 | 16,047,371 |
| -1 | -17 | -67 | -73 | -193 | -1,139 | -1,241 | -3,281 | -4,891 | -12,931 | -14,089 | -83,147 | -219,827 | -239,513 | -943,963 | -16,047,371 |
Here are some more numbers to try:
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