A:
Positive:
1 x 157407955 x 31481597 x 224868535 x 44973743 x 366065215 x 73213301 x 522951505 x 10459
Negative:
-1 x -15740795-5 x -3148159-7 x -2248685-35 x -449737-43 x -366065-215 x -73213-301 x -52295-1505 x -10459
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 15,740,795, 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 | 15,740,795 | |
| -1 | -15,740,795 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,740,795.
Example:
1 x 15,740,795 = 15,740,795
and
-1 x -15,740,795 = 15,740,795
Notice both answers equal 15,740,795
With that explanation out of the way, let's continue. Next, we take the number 15,740,795 and divide it by 2:
15,740,795 ÷ 2 = 7,870,397.5
If the quotient is a whole number, then 2 and 7,870,397.5 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 | 15,740,795 | |
| -1 | -15,740,795 |
Now, we try dividing 15,740,795 by 3:
15,740,795 ÷ 3 = 5,246,931.6667
If the quotient is a whole number, then 3 and 5,246,931.6667 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 | 15,740,795 | |
| -1 | -15,740,795 |
Let's try dividing by 4:
15,740,795 ÷ 4 = 3,935,198.75
If the quotient is a whole number, then 4 and 3,935,198.75 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 | 15,740,795 | |
| -1 | 15,740,795 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 43 | 215 | 301 | 1,505 | 10,459 | 52,295 | 73,213 | 366,065 | 449,737 | 2,248,685 | 3,148,159 | 15,740,795 |
| -1 | -5 | -7 | -35 | -43 | -215 | -301 | -1,505 | -10,459 | -52,295 | -73,213 | -366,065 | -449,737 | -2,248,685 | -3,148,159 | -15,740,795 |
Here are some more numbers to try:
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