A:
Positive:
1 x 15324000141 x 3737561103 x 1487767131 x 1169771277 x 5532134223 x 362875371 x 2853111357 x 13493
Negative:
-1 x -153240001-41 x -3737561-103 x -1487767-131 x -1169771-277 x -553213-4223 x -36287-5371 x -28531-11357 x -13493
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 153,240,001, 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 | 153,240,001 | |
| -1 | -153,240,001 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 153,240,001.
Example:
1 x 153,240,001 = 153,240,001
and
-1 x -153,240,001 = 153,240,001
Notice both answers equal 153,240,001
With that explanation out of the way, let's continue. Next, we take the number 153,240,001 and divide it by 2:
153,240,001 ÷ 2 = 76,620,000.5
If the quotient is a whole number, then 2 and 76,620,000.5 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 | 153,240,001 | |
| -1 | -153,240,001 |
Now, we try dividing 153,240,001 by 3:
153,240,001 ÷ 3 = 51,080,000.3333
If the quotient is a whole number, then 3 and 51,080,000.3333 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 | 153,240,001 | |
| -1 | -153,240,001 |
Let's try dividing by 4:
153,240,001 ÷ 4 = 38,310,000.25
If the quotient is a whole number, then 4 and 38,310,000.25 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 | 153,240,001 | |
| -1 | 153,240,001 |
If you did it right, you will end up with this table:
| 1 | 41 | 103 | 131 | 277 | 4,223 | 5,371 | 11,357 | 13,493 | 28,531 | 36,287 | 553,213 | 1,169,771 | 1,487,767 | 3,737,561 | 153,240,001 |
| -1 | -41 | -103 | -131 | -277 | -4,223 | -5,371 | -11,357 | -13,493 | -28,531 | -36,287 | -553,213 | -1,169,771 | -1,487,767 | -3,737,561 | -153,240,001 |
Here are some more numbers to try:
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