A:
Positive:
1 x 74138425131 x 2391562147 x 15774133199 x 37255491457 x 5088432557 x 2899436169 x 1201799353 x 79267
Negative:
-1 x -741384251-31 x -23915621-47 x -15774133-199 x -3725549-1457 x -508843-2557 x -289943-6169 x -120179-9353 x -79267
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 741,384,251, 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 | 741,384,251 | |
| -1 | -741,384,251 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 741,384,251.
Example:
1 x 741,384,251 = 741,384,251
and
-1 x -741,384,251 = 741,384,251
Notice both answers equal 741,384,251
With that explanation out of the way, let's continue. Next, we take the number 741,384,251 and divide it by 2:
741,384,251 ÷ 2 = 370,692,125.5
If the quotient is a whole number, then 2 and 370,692,125.5 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 | 741,384,251 | |
| -1 | -741,384,251 |
Now, we try dividing 741,384,251 by 3:
741,384,251 ÷ 3 = 247,128,083.6667
If the quotient is a whole number, then 3 and 247,128,083.6667 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 | 741,384,251 | |
| -1 | -741,384,251 |
Let's try dividing by 4:
741,384,251 ÷ 4 = 185,346,062.75
If the quotient is a whole number, then 4 and 185,346,062.75 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 | 741,384,251 | |
| -1 | 741,384,251 |
If you did it right, you will end up with this table:
| 1 | 31 | 47 | 199 | 1,457 | 2,557 | 6,169 | 9,353 | 79,267 | 120,179 | 289,943 | 508,843 | 3,725,549 | 15,774,133 | 23,915,621 | 741,384,251 |
| -1 | -31 | -47 | -199 | -1,457 | -2,557 | -6,169 | -9,353 | -79,267 | -120,179 | -289,943 | -508,843 | -3,725,549 | -15,774,133 | -23,915,621 | -741,384,251 |
Here are some more numbers to try:
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