A:
Positive:
1 x 1520025437 x 2171464911 x 1381841329 x 524146777 x 1974059203 x 748781319 x 4764972233 x 68071
Negative:
-1 x -152002543-7 x -21714649-11 x -13818413-29 x -5241467-77 x -1974059-203 x -748781-319 x -476497-2233 x -68071
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 152,002,543, 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 | 152,002,543 | |
| -1 | -152,002,543 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 152,002,543.
Example:
1 x 152,002,543 = 152,002,543
and
-1 x -152,002,543 = 152,002,543
Notice both answers equal 152,002,543
With that explanation out of the way, let's continue. Next, we take the number 152,002,543 and divide it by 2:
152,002,543 ÷ 2 = 76,001,271.5
If the quotient is a whole number, then 2 and 76,001,271.5 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 | 152,002,543 | |
| -1 | -152,002,543 |
Now, we try dividing 152,002,543 by 3:
152,002,543 ÷ 3 = 50,667,514.3333
If the quotient is a whole number, then 3 and 50,667,514.3333 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 | 152,002,543 | |
| -1 | -152,002,543 |
Let's try dividing by 4:
152,002,543 ÷ 4 = 38,000,635.75
If the quotient is a whole number, then 4 and 38,000,635.75 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 | 152,002,543 | |
| -1 | 152,002,543 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 29 | 77 | 203 | 319 | 2,233 | 68,071 | 476,497 | 748,781 | 1,974,059 | 5,241,467 | 13,818,413 | 21,714,649 | 152,002,543 |
| -1 | -7 | -11 | -29 | -77 | -203 | -319 | -2,233 | -68,071 | -476,497 | -748,781 | -1,974,059 | -5,241,467 | -13,818,413 | -21,714,649 | -152,002,543 |
Here are some more numbers to try:
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