A:
Positive:
1 x 7087666311 x 644333313 x 545205189 x 796367143 x 495641979 x 723971157 x 612595569 x 12727
Negative:
-1 x -70876663-11 x -6443333-13 x -5452051-89 x -796367-143 x -495641-979 x -72397-1157 x -61259-5569 x -12727
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 70,876,663, 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 | 70,876,663 | |
| -1 | -70,876,663 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 70,876,663.
Example:
1 x 70,876,663 = 70,876,663
and
-1 x -70,876,663 = 70,876,663
Notice both answers equal 70,876,663
With that explanation out of the way, let's continue. Next, we take the number 70,876,663 and divide it by 2:
70,876,663 ÷ 2 = 35,438,331.5
If the quotient is a whole number, then 2 and 35,438,331.5 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 | 70,876,663 | |
| -1 | -70,876,663 |
Now, we try dividing 70,876,663 by 3:
70,876,663 ÷ 3 = 23,625,554.3333
If the quotient is a whole number, then 3 and 23,625,554.3333 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 | 70,876,663 | |
| -1 | -70,876,663 |
Let's try dividing by 4:
70,876,663 ÷ 4 = 17,719,165.75
If the quotient is a whole number, then 4 and 17,719,165.75 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 | 70,876,663 | |
| -1 | 70,876,663 |
If you did it right, you will end up with this table:
| 1 | 11 | 13 | 89 | 143 | 979 | 1,157 | 5,569 | 12,727 | 61,259 | 72,397 | 495,641 | 796,367 | 5,452,051 | 6,443,333 | 70,876,663 |
| -1 | -11 | -13 | -89 | -143 | -979 | -1,157 | -5,569 | -12,727 | -61,259 | -72,397 | -495,641 | -796,367 | -5,452,051 | -6,443,333 | -70,876,663 |
Here are some more numbers to try:
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