A:
Positive:
1 x 35185187317 x 2069716941 x 8581753181 x 1943933697 x 5048092789 x 1261573077 x 1143497421 x 47413
Negative:
-1 x -351851873-17 x -20697169-41 x -8581753-181 x -1943933-697 x -504809-2789 x -126157-3077 x -114349-7421 x -47413
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 351,851,873, 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 | 351,851,873 | |
| -1 | -351,851,873 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 351,851,873.
Example:
1 x 351,851,873 = 351,851,873
and
-1 x -351,851,873 = 351,851,873
Notice both answers equal 351,851,873
With that explanation out of the way, let's continue. Next, we take the number 351,851,873 and divide it by 2:
351,851,873 ÷ 2 = 175,925,936.5
If the quotient is a whole number, then 2 and 175,925,936.5 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 | 351,851,873 | |
| -1 | -351,851,873 |
Now, we try dividing 351,851,873 by 3:
351,851,873 ÷ 3 = 117,283,957.6667
If the quotient is a whole number, then 3 and 117,283,957.6667 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 | 351,851,873 | |
| -1 | -351,851,873 |
Let's try dividing by 4:
351,851,873 ÷ 4 = 87,962,968.25
If the quotient is a whole number, then 4 and 87,962,968.25 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 | 351,851,873 | |
| -1 | 351,851,873 |
If you did it right, you will end up with this table:
| 1 | 17 | 41 | 181 | 697 | 2,789 | 3,077 | 7,421 | 47,413 | 114,349 | 126,157 | 504,809 | 1,943,933 | 8,581,753 | 20,697,169 | 351,851,873 |
| -1 | -17 | -41 | -181 | -697 | -2,789 | -3,077 | -7,421 | -47,413 | -114,349 | -126,157 | -504,809 | -1,943,933 | -8,581,753 | -20,697,169 | -351,851,873 |
Here are some more numbers to try:
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