A:
Positive:
1 x 7413801255 x 14827602525 x 2965520567 x 11065375125 x 5931041335 x 22130751675 x 4426158375 x 88523
Negative:
-1 x -741380125-5 x -148276025-25 x -29655205-67 x -11065375-125 x -5931041-335 x -2213075-1675 x -442615-8375 x -88523
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 741,380,125, 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 | 741,380,125 | |
| -1 | -741,380,125 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 741,380,125.
Example:
1 x 741,380,125 = 741,380,125
and
-1 x -741,380,125 = 741,380,125
Notice both answers equal 741,380,125
With that explanation out of the way, let's continue. Next, we take the number 741,380,125 and divide it by 2:
741,380,125 ÷ 2 = 370,690,062.5
If the quotient is a whole number, then 2 and 370,690,062.5 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 | 741,380,125 | |
| -1 | -741,380,125 |
Now, we try dividing 741,380,125 by 3:
741,380,125 ÷ 3 = 247,126,708.3333
If the quotient is a whole number, then 3 and 247,126,708.3333 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 | 741,380,125 | |
| -1 | -741,380,125 |
Let's try dividing by 4:
741,380,125 ÷ 4 = 185,345,031.25
If the quotient is a whole number, then 4 and 185,345,031.25 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 | 741,380,125 | |
| -1 | 741,380,125 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 67 | 125 | 335 | 1,675 | 8,375 | 88,523 | 442,615 | 2,213,075 | 5,931,041 | 11,065,375 | 29,655,205 | 148,276,025 | 741,380,125 |
| -1 | -5 | -25 | -67 | -125 | -335 | -1,675 | -8,375 | -88,523 | -442,615 | -2,213,075 | -5,931,041 | -11,065,375 | -29,655,205 | -148,276,025 | -741,380,125 |
Here are some more numbers to try:
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