A:
Positive:
1 x 1563652723 x 67984967 x 23338173 x 214199139 x 1124931541 x 101471679 x 93133197 x 4891
Negative:
-1 x -15636527-23 x -679849-67 x -233381-73 x -214199-139 x -112493-1541 x -10147-1679 x -9313-3197 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 15,636,527, 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 | 15,636,527 | |
| -1 | -15,636,527 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,636,527.
Example:
1 x 15,636,527 = 15,636,527
and
-1 x -15,636,527 = 15,636,527
Notice both answers equal 15,636,527
With that explanation out of the way, let's continue. Next, we take the number 15,636,527 and divide it by 2:
15,636,527 ÷ 2 = 7,818,263.5
If the quotient is a whole number, then 2 and 7,818,263.5 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 | 15,636,527 | |
| -1 | -15,636,527 |
Now, we try dividing 15,636,527 by 3:
15,636,527 ÷ 3 = 5,212,175.6667
If the quotient is a whole number, then 3 and 5,212,175.6667 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 | 15,636,527 | |
| -1 | -15,636,527 |
Let's try dividing by 4:
15,636,527 ÷ 4 = 3,909,131.75
If the quotient is a whole number, then 4 and 3,909,131.75 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 | 15,636,527 | |
| -1 | 15,636,527 |
If you did it right, you will end up with this table:
| 1 | 23 | 67 | 73 | 139 | 1,541 | 1,679 | 3,197 | 4,891 | 9,313 | 10,147 | 112,493 | 214,199 | 233,381 | 679,849 | 15,636,527 |
| -1 | -23 | -67 | -73 | -139 | -1,541 | -1,679 | -3,197 | -4,891 | -9,313 | -10,147 | -112,493 | -214,199 | -233,381 | -679,849 | -15,636,527 |
Here are some more numbers to try:
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