A:
Positive:
1 x 8276994713 x 636691919 x 4356313149 x 555503169 x 489763173 x 478439247 x 3351011937 x 427312249 x 368032831 x 292373211 x 257773287 x 25181
Negative:
-1 x -82769947-13 x -6366919-19 x -4356313-149 x -555503-169 x -489763-173 x -478439-247 x -335101-1937 x -42731-2249 x -36803-2831 x -29237-3211 x -25777-3287 x -25181
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 82,769,947, 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 | 82,769,947 | |
| -1 | -82,769,947 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 82,769,947.
Example:
1 x 82,769,947 = 82,769,947
and
-1 x -82,769,947 = 82,769,947
Notice both answers equal 82,769,947
With that explanation out of the way, let's continue. Next, we take the number 82,769,947 and divide it by 2:
82,769,947 ÷ 2 = 41,384,973.5
If the quotient is a whole number, then 2 and 41,384,973.5 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 | 82,769,947 | |
| -1 | -82,769,947 |
Now, we try dividing 82,769,947 by 3:
82,769,947 ÷ 3 = 27,589,982.3333
If the quotient is a whole number, then 3 and 27,589,982.3333 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 | 82,769,947 | |
| -1 | -82,769,947 |
Let's try dividing by 4:
82,769,947 ÷ 4 = 20,692,486.75
If the quotient is a whole number, then 4 and 20,692,486.75 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 | 82,769,947 | |
| -1 | 82,769,947 |
If you did it right, you will end up with this table:
| 1 | 13 | 19 | 149 | 169 | 173 | 247 | 1,937 | 2,249 | 2,831 | 3,211 | 3,287 | 25,181 | 25,777 | 29,237 | 36,803 | 42,731 | 335,101 | 478,439 | 489,763 | 555,503 | 4,356,313 | 6,366,919 | 82,769,947 |
| -1 | -13 | -19 | -149 | -169 | -173 | -247 | -1,937 | -2,249 | -2,831 | -3,211 | -3,287 | -25,181 | -25,777 | -29,237 | -36,803 | -42,731 | -335,101 | -478,439 | -489,763 | -555,503 | -4,356,313 | -6,366,919 | -82,769,947 |
Here are some more numbers to try:
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