A:
Positive:
1 x 172374055 x 344748117 x 101396579 x 21819585 x 202793151 x 114155289 x 59645395 x 43639755 x 228311343 x 128351445 x 119292567 x 6715
Negative:
-1 x -17237405-5 x -3447481-17 x -1013965-79 x -218195-85 x -202793-151 x -114155-289 x -59645-395 x -43639-755 x -22831-1343 x -12835-1445 x -11929-2567 x -6715
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 17,237,405, 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 | 17,237,405 | |
| -1 | -17,237,405 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 17,237,405.
Example:
1 x 17,237,405 = 17,237,405
and
-1 x -17,237,405 = 17,237,405
Notice both answers equal 17,237,405
With that explanation out of the way, let's continue. Next, we take the number 17,237,405 and divide it by 2:
17,237,405 ÷ 2 = 8,618,702.5
If the quotient is a whole number, then 2 and 8,618,702.5 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 | 17,237,405 | |
| -1 | -17,237,405 |
Now, we try dividing 17,237,405 by 3:
17,237,405 ÷ 3 = 5,745,801.6667
If the quotient is a whole number, then 3 and 5,745,801.6667 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 | 17,237,405 | |
| -1 | -17,237,405 |
Let's try dividing by 4:
17,237,405 ÷ 4 = 4,309,351.25
If the quotient is a whole number, then 4 and 4,309,351.25 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 | 17,237,405 | |
| -1 | 17,237,405 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 79 | 85 | 151 | 289 | 395 | 755 | 1,343 | 1,445 | 2,567 | 6,715 | 11,929 | 12,835 | 22,831 | 43,639 | 59,645 | 114,155 | 202,793 | 218,195 | 1,013,965 | 3,447,481 | 17,237,405 |
| -1 | -5 | -17 | -79 | -85 | -151 | -289 | -395 | -755 | -1,343 | -1,445 | -2,567 | -6,715 | -11,929 | -12,835 | -22,831 | -43,639 | -59,645 | -114,155 | -202,793 | -218,195 | -1,013,965 | -3,447,481 | -17,237,405 |
Here are some more numbers to try:
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