A:
Positive:
1 x 716703655 x 1433407313 x 551310565 x 110262189 x 805285169 x 424085445 x 161057845 x 84817953 x 752051157 x 619454765 x 150415785 x 12389
Negative:
-1 x -71670365-5 x -14334073-13 x -5513105-65 x -1102621-89 x -805285-169 x -424085-445 x -161057-845 x -84817-953 x -75205-1157 x -61945-4765 x -15041-5785 x -12389
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 71,670,365, 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 | 71,670,365 | |
| -1 | -71,670,365 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 71,670,365.
Example:
1 x 71,670,365 = 71,670,365
and
-1 x -71,670,365 = 71,670,365
Notice both answers equal 71,670,365
With that explanation out of the way, let's continue. Next, we take the number 71,670,365 and divide it by 2:
71,670,365 ÷ 2 = 35,835,182.5
If the quotient is a whole number, then 2 and 35,835,182.5 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 | 71,670,365 | |
| -1 | -71,670,365 |
Now, we try dividing 71,670,365 by 3:
71,670,365 ÷ 3 = 23,890,121.6667
If the quotient is a whole number, then 3 and 23,890,121.6667 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 | 71,670,365 | |
| -1 | -71,670,365 |
Let's try dividing by 4:
71,670,365 ÷ 4 = 17,917,591.25
If the quotient is a whole number, then 4 and 17,917,591.25 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 | 71,670,365 | |
| -1 | 71,670,365 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 89 | 169 | 445 | 845 | 953 | 1,157 | 4,765 | 5,785 | 12,389 | 15,041 | 61,945 | 75,205 | 84,817 | 161,057 | 424,085 | 805,285 | 1,102,621 | 5,513,105 | 14,334,073 | 71,670,365 |
| -1 | -5 | -13 | -65 | -89 | -169 | -445 | -845 | -953 | -1,157 | -4,765 | -5,785 | -12,389 | -15,041 | -61,945 | -75,205 | -84,817 | -161,057 | -424,085 | -805,285 | -1,102,621 | -5,513,105 | -14,334,073 | -71,670,365 |
Here are some more numbers to try:
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