A:
Positive:
1 x 2375305037 x 3393292929 x 8190707203 x 1170101373 x 6368112611 x 909733137 x 7571910817 x 21959
Negative:
-1 x -237530503-7 x -33932929-29 x -8190707-203 x -1170101-373 x -636811-2611 x -90973-3137 x -75719-10817 x -21959
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 237,530,503, 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 | 237,530,503 | |
| -1 | -237,530,503 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 237,530,503.
Example:
1 x 237,530,503 = 237,530,503
and
-1 x -237,530,503 = 237,530,503
Notice both answers equal 237,530,503
With that explanation out of the way, let's continue. Next, we take the number 237,530,503 and divide it by 2:
237,530,503 ÷ 2 = 118,765,251.5
If the quotient is a whole number, then 2 and 118,765,251.5 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 | 237,530,503 | |
| -1 | -237,530,503 |
Now, we try dividing 237,530,503 by 3:
237,530,503 ÷ 3 = 79,176,834.3333
If the quotient is a whole number, then 3 and 79,176,834.3333 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 | 237,530,503 | |
| -1 | -237,530,503 |
Let's try dividing by 4:
237,530,503 ÷ 4 = 59,382,625.75
If the quotient is a whole number, then 4 and 59,382,625.75 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 | 237,530,503 | |
| -1 | 237,530,503 |
If you did it right, you will end up with this table:
| 1 | 7 | 29 | 203 | 373 | 2,611 | 3,137 | 10,817 | 21,959 | 75,719 | 90,973 | 636,811 | 1,170,101 | 8,190,707 | 33,932,929 | 237,530,503 |
| -1 | -7 | -29 | -203 | -373 | -2,611 | -3,137 | -10,817 | -21,959 | -75,719 | -90,973 | -636,811 | -1,170,101 | -8,190,707 | -33,932,929 | -237,530,503 |
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