A:
Positive:
1 x 240001455 x 480002913 x 184616561 x 39344565 x 369233305 x 78689793 x 302653965 x 6053
Negative:
-1 x -24000145-5 x -4800029-13 x -1846165-61 x -393445-65 x -369233-305 x -78689-793 x -30265-3965 x -6053
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 24,000,145, 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 | 24,000,145 | |
| -1 | -24,000,145 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 24,000,145.
Example:
1 x 24,000,145 = 24,000,145
and
-1 x -24,000,145 = 24,000,145
Notice both answers equal 24,000,145
With that explanation out of the way, let's continue. Next, we take the number 24,000,145 and divide it by 2:
24,000,145 ÷ 2 = 12,000,072.5
If the quotient is a whole number, then 2 and 12,000,072.5 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 | 24,000,145 | |
| -1 | -24,000,145 |
Now, we try dividing 24,000,145 by 3:
24,000,145 ÷ 3 = 8,000,048.3333
If the quotient is a whole number, then 3 and 8,000,048.3333 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 | 24,000,145 | |
| -1 | -24,000,145 |
Let's try dividing by 4:
24,000,145 ÷ 4 = 6,000,036.25
If the quotient is a whole number, then 4 and 6,000,036.25 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 | 24,000,145 | |
| -1 | 24,000,145 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 61 | 65 | 305 | 793 | 3,965 | 6,053 | 30,265 | 78,689 | 369,233 | 393,445 | 1,846,165 | 4,800,029 | 24,000,145 |
| -1 | -5 | -13 | -61 | -65 | -305 | -793 | -3,965 | -6,053 | -30,265 | -78,689 | -369,233 | -393,445 | -1,846,165 | -4,800,029 | -24,000,145 |
Here are some more numbers to try:
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