A:
Positive:
1 x 154331155 x 308662323 x 67100567 x 230345115 x 134201335 x 460691541 x 100152003 x 7705
Negative:
-1 x -15433115-5 x -3086623-23 x -671005-67 x -230345-115 x -134201-335 x -46069-1541 x -10015-2003 x -7705
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 15,433,115, 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 | 15,433,115 | |
| -1 | -15,433,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,433,115.
Example:
1 x 15,433,115 = 15,433,115
and
-1 x -15,433,115 = 15,433,115
Notice both answers equal 15,433,115
With that explanation out of the way, let's continue. Next, we take the number 15,433,115 and divide it by 2:
15,433,115 ÷ 2 = 7,716,557.5
If the quotient is a whole number, then 2 and 7,716,557.5 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 | 15,433,115 | |
| -1 | -15,433,115 |
Now, we try dividing 15,433,115 by 3:
15,433,115 ÷ 3 = 5,144,371.6667
If the quotient is a whole number, then 3 and 5,144,371.6667 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 | 15,433,115 | |
| -1 | -15,433,115 |
Let's try dividing by 4:
15,433,115 ÷ 4 = 3,858,278.75
If the quotient is a whole number, then 4 and 3,858,278.75 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 | 15,433,115 | |
| -1 | 15,433,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 67 | 115 | 335 | 1,541 | 2,003 | 7,705 | 10,015 | 46,069 | 134,201 | 230,345 | 671,005 | 3,086,623 | 15,433,115 |
| -1 | -5 | -23 | -67 | -115 | -335 | -1,541 | -2,003 | -7,705 | -10,015 | -46,069 | -134,201 | -230,345 | -671,005 | -3,086,623 | -15,433,115 |
Here are some more numbers to try:
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