A:
Positive:
1 x 3454308417 x 4934726349 x 7049609137 x 2521393343 x 1007087959 x 3601996713 x 514577351 x 46991
Negative:
-1 x -345430841-7 x -49347263-49 x -7049609-137 x -2521393-343 x -1007087-959 x -360199-6713 x -51457-7351 x -46991
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 345,430,841, 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 | 345,430,841 | |
| -1 | -345,430,841 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 345,430,841.
Example:
1 x 345,430,841 = 345,430,841
and
-1 x -345,430,841 = 345,430,841
Notice both answers equal 345,430,841
With that explanation out of the way, let's continue. Next, we take the number 345,430,841 and divide it by 2:
345,430,841 ÷ 2 = 172,715,420.5
If the quotient is a whole number, then 2 and 172,715,420.5 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 | 345,430,841 | |
| -1 | -345,430,841 |
Now, we try dividing 345,430,841 by 3:
345,430,841 ÷ 3 = 115,143,613.6667
If the quotient is a whole number, then 3 and 115,143,613.6667 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 | 345,430,841 | |
| -1 | -345,430,841 |
Let's try dividing by 4:
345,430,841 ÷ 4 = 86,357,710.25
If the quotient is a whole number, then 4 and 86,357,710.25 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 | 345,430,841 | |
| -1 | 345,430,841 |
If you did it right, you will end up with this table:
| 1 | 7 | 49 | 137 | 343 | 959 | 6,713 | 7,351 | 46,991 | 51,457 | 360,199 | 1,007,087 | 2,521,393 | 7,049,609 | 49,347,263 | 345,430,841 |
| -1 | -7 | -49 | -137 | -343 | -959 | -6,713 | -7,351 | -46,991 | -51,457 | -360,199 | -1,007,087 | -2,521,393 | -7,049,609 | -49,347,263 | -345,430,841 |
Here are some more numbers to try:
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