A:
Positive:
1 x 621202155 x 1242404319 x 326948559 x 105288595 x 653897295 x 2105771121 x 554155605 x 11083
Negative:
-1 x -62120215-5 x -12424043-19 x -3269485-59 x -1052885-95 x -653897-295 x -210577-1121 x -55415-5605 x -11083
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 62,120,215, 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 | 62,120,215 | |
| -1 | -62,120,215 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 62,120,215.
Example:
1 x 62,120,215 = 62,120,215
and
-1 x -62,120,215 = 62,120,215
Notice both answers equal 62,120,215
With that explanation out of the way, let's continue. Next, we take the number 62,120,215 and divide it by 2:
62,120,215 ÷ 2 = 31,060,107.5
If the quotient is a whole number, then 2 and 31,060,107.5 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 | 62,120,215 | |
| -1 | -62,120,215 |
Now, we try dividing 62,120,215 by 3:
62,120,215 ÷ 3 = 20,706,738.3333
If the quotient is a whole number, then 3 and 20,706,738.3333 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 | 62,120,215 | |
| -1 | -62,120,215 |
Let's try dividing by 4:
62,120,215 ÷ 4 = 15,530,053.75
If the quotient is a whole number, then 4 and 15,530,053.75 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 | 62,120,215 | |
| -1 | 62,120,215 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 59 | 95 | 295 | 1,121 | 5,605 | 11,083 | 55,415 | 210,577 | 653,897 | 1,052,885 | 3,269,485 | 12,424,043 | 62,120,215 |
| -1 | -5 | -19 | -59 | -95 | -295 | -1,121 | -5,605 | -11,083 | -55,415 | -210,577 | -653,897 | -1,052,885 | -3,269,485 | -12,424,043 | -62,120,215 |
Here are some more numbers to try:
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