A:
Positive:
1 x 7479855 x 1495977 x 10685535 x 2137143 x 1739549 x 1526571 x 10535215 x 3479245 x 3053301 x 2485355 x 2107497 x 1505
Negative:
-1 x -747985-5 x -149597-7 x -106855-35 x -21371-43 x -17395-49 x -15265-71 x -10535-215 x -3479-245 x -3053-301 x -2485-355 x -2107-497 x -1505
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 747,985, 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 | 747,985 | |
| -1 | -747,985 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 747,985.
Example:
1 x 747,985 = 747,985
and
-1 x -747,985 = 747,985
Notice both answers equal 747,985
With that explanation out of the way, let's continue. Next, we take the number 747,985 and divide it by 2:
747,985 ÷ 2 = 373,992.5
If the quotient is a whole number, then 2 and 373,992.5 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 | 747,985 | |
| -1 | -747,985 |
Now, we try dividing 747,985 by 3:
747,985 ÷ 3 = 249,328.3333
If the quotient is a whole number, then 3 and 249,328.3333 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 | 747,985 | |
| -1 | -747,985 |
Let's try dividing by 4:
747,985 ÷ 4 = 186,996.25
If the quotient is a whole number, then 4 and 186,996.25 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 | 747,985 | |
| -1 | 747,985 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 43 | 49 | 71 | 215 | 245 | 301 | 355 | 497 | 1,505 | 2,107 | 2,485 | 3,053 | 3,479 | 10,535 | 15,265 | 17,395 | 21,371 | 106,855 | 149,597 | 747,985 |
| -1 | -5 | -7 | -35 | -43 | -49 | -71 | -215 | -245 | -301 | -355 | -497 | -1,505 | -2,107 | -2,485 | -3,053 | -3,479 | -10,535 | -15,265 | -17,395 | -21,371 | -106,855 | -149,597 | -747,985 |
Here are some more numbers to try:
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