A:
Positive:
1 x 15065817131 x 485994147 x 320549353 x 28426071457 x 1034031643 x 916971951 x 772212491 x 60481
Negative:
-1 x -150658171-31 x -4859941-47 x -3205493-53 x -2842607-1457 x -103403-1643 x -91697-1951 x -77221-2491 x -60481
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 150,658,171, 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 | 150,658,171 | |
| -1 | -150,658,171 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 150,658,171.
Example:
1 x 150,658,171 = 150,658,171
and
-1 x -150,658,171 = 150,658,171
Notice both answers equal 150,658,171
With that explanation out of the way, let's continue. Next, we take the number 150,658,171 and divide it by 2:
150,658,171 ÷ 2 = 75,329,085.5
If the quotient is a whole number, then 2 and 75,329,085.5 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 | 150,658,171 | |
| -1 | -150,658,171 |
Now, we try dividing 150,658,171 by 3:
150,658,171 ÷ 3 = 50,219,390.3333
If the quotient is a whole number, then 3 and 50,219,390.3333 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 | 150,658,171 | |
| -1 | -150,658,171 |
Let's try dividing by 4:
150,658,171 ÷ 4 = 37,664,542.75
If the quotient is a whole number, then 4 and 37,664,542.75 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 | 150,658,171 | |
| -1 | 150,658,171 |
If you did it right, you will end up with this table:
| 1 | 31 | 47 | 53 | 1,457 | 1,643 | 1,951 | 2,491 | 60,481 | 77,221 | 91,697 | 103,403 | 2,842,607 | 3,205,493 | 4,859,941 | 150,658,171 |
| -1 | -31 | -47 | -53 | -1,457 | -1,643 | -1,951 | -2,491 | -60,481 | -77,221 | -91,697 | -103,403 | -2,842,607 | -3,205,493 | -4,859,941 | -150,658,171 |
Here are some more numbers to try:
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