A:
Positive:
1 x 166729755 x 333459511 x 151572519 x 87752525 x 66691955 x 30314595 x 175505209 x 79775275 x 60629475 x 351011045 x 159553191 x 5225
Negative:
-1 x -16672975-5 x -3334595-11 x -1515725-19 x -877525-25 x -666919-55 x -303145-95 x -175505-209 x -79775-275 x -60629-475 x -35101-1045 x -15955-3191 x -5225
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 16,672,975, 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 | 16,672,975 | |
| -1 | -16,672,975 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,672,975.
Example:
1 x 16,672,975 = 16,672,975
and
-1 x -16,672,975 = 16,672,975
Notice both answers equal 16,672,975
With that explanation out of the way, let's continue. Next, we take the number 16,672,975 and divide it by 2:
16,672,975 ÷ 2 = 8,336,487.5
If the quotient is a whole number, then 2 and 8,336,487.5 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 | 16,672,975 | |
| -1 | -16,672,975 |
Now, we try dividing 16,672,975 by 3:
16,672,975 ÷ 3 = 5,557,658.3333
If the quotient is a whole number, then 3 and 5,557,658.3333 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 | 16,672,975 | |
| -1 | -16,672,975 |
Let's try dividing by 4:
16,672,975 ÷ 4 = 4,168,243.75
If the quotient is a whole number, then 4 and 4,168,243.75 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 | 16,672,975 | |
| -1 | 16,672,975 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 19 | 25 | 55 | 95 | 209 | 275 | 475 | 1,045 | 3,191 | 5,225 | 15,955 | 35,101 | 60,629 | 79,775 | 175,505 | 303,145 | 666,919 | 877,525 | 1,515,725 | 3,334,595 | 16,672,975 |
| -1 | -5 | -11 | -19 | -25 | -55 | -95 | -209 | -275 | -475 | -1,045 | -3,191 | -5,225 | -15,955 | -35,101 | -60,629 | -79,775 | -175,505 | -303,145 | -666,919 | -877,525 | -1,515,725 | -3,334,595 | -16,672,975 |
Here are some more numbers to try:
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