A:
Positive:
1 x 154610755 x 30922157 x 220872517 x 90947525 x 61844335 x 44174585 x 181895119 x 129925175 x 88349425 x 36379595 x 259852975 x 5197
Negative:
-1 x -15461075-5 x -3092215-7 x -2208725-17 x -909475-25 x -618443-35 x -441745-85 x -181895-119 x -129925-175 x -88349-425 x -36379-595 x -25985-2975 x -5197
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 15,461,075, 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 | 15,461,075 | |
| -1 | -15,461,075 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,461,075.
Example:
1 x 15,461,075 = 15,461,075
and
-1 x -15,461,075 = 15,461,075
Notice both answers equal 15,461,075
With that explanation out of the way, let's continue. Next, we take the number 15,461,075 and divide it by 2:
15,461,075 ÷ 2 = 7,730,537.5
If the quotient is a whole number, then 2 and 7,730,537.5 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 | 15,461,075 | |
| -1 | -15,461,075 |
Now, we try dividing 15,461,075 by 3:
15,461,075 ÷ 3 = 5,153,691.6667
If the quotient is a whole number, then 3 and 5,153,691.6667 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 | 15,461,075 | |
| -1 | -15,461,075 |
Let's try dividing by 4:
15,461,075 ÷ 4 = 3,865,268.75
If the quotient is a whole number, then 4 and 3,865,268.75 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 | 15,461,075 | |
| -1 | 15,461,075 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 17 | 25 | 35 | 85 | 119 | 175 | 425 | 595 | 2,975 | 5,197 | 25,985 | 36,379 | 88,349 | 129,925 | 181,895 | 441,745 | 618,443 | 909,475 | 2,208,725 | 3,092,215 | 15,461,075 |
| -1 | -5 | -7 | -17 | -25 | -35 | -85 | -119 | -175 | -425 | -595 | -2,975 | -5,197 | -25,985 | -36,379 | -88,349 | -129,925 | -181,895 | -441,745 | -618,443 | -909,475 | -2,208,725 | -3,092,215 | -15,461,075 |
Here are some more numbers to try:
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