A:
Positive:
1 x 67166155 x 134332317 x 39509531 x 21666585 x 79019155 x 43333527 x 127452549 x 2635
Negative:
-1 x -6716615-5 x -1343323-17 x -395095-31 x -216665-85 x -79019-155 x -43333-527 x -12745-2549 x -2635
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 6,716,615, 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 | 6,716,615 | |
| -1 | -6,716,615 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 6,716,615.
Example:
1 x 6,716,615 = 6,716,615
and
-1 x -6,716,615 = 6,716,615
Notice both answers equal 6,716,615
With that explanation out of the way, let's continue. Next, we take the number 6,716,615 and divide it by 2:
6,716,615 ÷ 2 = 3,358,307.5
If the quotient is a whole number, then 2 and 3,358,307.5 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 | 6,716,615 | |
| -1 | -6,716,615 |
Now, we try dividing 6,716,615 by 3:
6,716,615 ÷ 3 = 2,238,871.6667
If the quotient is a whole number, then 3 and 2,238,871.6667 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 | 6,716,615 | |
| -1 | -6,716,615 |
Let's try dividing by 4:
6,716,615 ÷ 4 = 1,679,153.75
If the quotient is a whole number, then 4 and 1,679,153.75 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 | 6,716,615 | |
| -1 | 6,716,615 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 31 | 85 | 155 | 527 | 2,549 | 2,635 | 12,745 | 43,333 | 79,019 | 216,665 | 395,095 | 1,343,323 | 6,716,615 |
| -1 | -5 | -17 | -31 | -85 | -155 | -527 | -2,549 | -2,635 | -12,745 | -43,333 | -79,019 | -216,665 | -395,095 | -1,343,323 | -6,716,615 |
Here are some more numbers to try:
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