A:
Positive:
1 x 693734097 x 991048737 x 187495761 x 1137269259 x 267851427 x 1624672257 x 307374391 x 15799
Negative:
-1 x -69373409-7 x -9910487-37 x -1874957-61 x -1137269-259 x -267851-427 x -162467-2257 x -30737-4391 x -15799
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 69,373,409, 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 | 69,373,409 | |
| -1 | -69,373,409 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 69,373,409.
Example:
1 x 69,373,409 = 69,373,409
and
-1 x -69,373,409 = 69,373,409
Notice both answers equal 69,373,409
With that explanation out of the way, let's continue. Next, we take the number 69,373,409 and divide it by 2:
69,373,409 ÷ 2 = 34,686,704.5
If the quotient is a whole number, then 2 and 34,686,704.5 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 | 69,373,409 | |
| -1 | -69,373,409 |
Now, we try dividing 69,373,409 by 3:
69,373,409 ÷ 3 = 23,124,469.6667
If the quotient is a whole number, then 3 and 23,124,469.6667 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 | 69,373,409 | |
| -1 | -69,373,409 |
Let's try dividing by 4:
69,373,409 ÷ 4 = 17,343,352.25
If the quotient is a whole number, then 4 and 17,343,352.25 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 | 69,373,409 | |
| -1 | 69,373,409 |
If you did it right, you will end up with this table:
| 1 | 7 | 37 | 61 | 259 | 427 | 2,257 | 4,391 | 15,799 | 30,737 | 162,467 | 267,851 | 1,137,269 | 1,874,957 | 9,910,487 | 69,373,409 |
| -1 | -7 | -37 | -61 | -259 | -427 | -2,257 | -4,391 | -15,799 | -30,737 | -162,467 | -267,851 | -1,137,269 | -1,874,957 | -9,910,487 | -69,373,409 |
Here are some more numbers to try:
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