A:
Positive:
1 x 1525010417 x 2178586311 x 1386373147 x 324470377 x 1980533329 x 463529517 x 2949733619 x 42139
Negative:
-1 x -152501041-7 x -21785863-11 x -13863731-47 x -3244703-77 x -1980533-329 x -463529-517 x -294973-3619 x -42139
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 152,501,041, 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 | 152,501,041 | |
| -1 | -152,501,041 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 152,501,041.
Example:
1 x 152,501,041 = 152,501,041
and
-1 x -152,501,041 = 152,501,041
Notice both answers equal 152,501,041
With that explanation out of the way, let's continue. Next, we take the number 152,501,041 and divide it by 2:
152,501,041 ÷ 2 = 76,250,520.5
If the quotient is a whole number, then 2 and 76,250,520.5 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 | 152,501,041 | |
| -1 | -152,501,041 |
Now, we try dividing 152,501,041 by 3:
152,501,041 ÷ 3 = 50,833,680.3333
If the quotient is a whole number, then 3 and 50,833,680.3333 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 | 152,501,041 | |
| -1 | -152,501,041 |
Let's try dividing by 4:
152,501,041 ÷ 4 = 38,125,260.25
If the quotient is a whole number, then 4 and 38,125,260.25 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 | 152,501,041 | |
| -1 | 152,501,041 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 47 | 77 | 329 | 517 | 3,619 | 42,139 | 294,973 | 463,529 | 1,980,533 | 3,244,703 | 13,863,731 | 21,785,863 | 152,501,041 |
| -1 | -7 | -11 | -47 | -77 | -329 | -517 | -3,619 | -42,139 | -294,973 | -463,529 | -1,980,533 | -3,244,703 | -13,863,731 | -21,785,863 | -152,501,041 |
Here are some more numbers to try:
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