A:
Positive:
1 x 746766797 x 1066809711 x 678878977 x 969827223 x 3348731561 x 478392453 x 304434349 x 17171
Negative:
-1 x -74676679-7 x -10668097-11 x -6788789-77 x -969827-223 x -334873-1561 x -47839-2453 x -30443-4349 x -17171
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 74,676,679, 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 | 74,676,679 | |
| -1 | -74,676,679 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 74,676,679.
Example:
1 x 74,676,679 = 74,676,679
and
-1 x -74,676,679 = 74,676,679
Notice both answers equal 74,676,679
With that explanation out of the way, let's continue. Next, we take the number 74,676,679 and divide it by 2:
74,676,679 ÷ 2 = 37,338,339.5
If the quotient is a whole number, then 2 and 37,338,339.5 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 | 74,676,679 | |
| -1 | -74,676,679 |
Now, we try dividing 74,676,679 by 3:
74,676,679 ÷ 3 = 24,892,226.3333
If the quotient is a whole number, then 3 and 24,892,226.3333 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 | 74,676,679 | |
| -1 | -74,676,679 |
Let's try dividing by 4:
74,676,679 ÷ 4 = 18,669,169.75
If the quotient is a whole number, then 4 and 18,669,169.75 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 | 74,676,679 | |
| -1 | 74,676,679 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 223 | 1,561 | 2,453 | 4,349 | 17,171 | 30,443 | 47,839 | 334,873 | 969,827 | 6,788,789 | 10,668,097 | 74,676,679 |
| -1 | -7 | -11 | -77 | -223 | -1,561 | -2,453 | -4,349 | -17,171 | -30,443 | -47,839 | -334,873 | -969,827 | -6,788,789 | -10,668,097 | -74,676,679 |
Here are some more numbers to try:
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