A:
Positive:
1 x 706868355 x 1413736737 x 1910455181 x 390535185 x 382091905 x 781072111 x 334856697 x 10555
Negative:
-1 x -70686835-5 x -14137367-37 x -1910455-181 x -390535-185 x -382091-905 x -78107-2111 x -33485-6697 x -10555
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 70,686,835, 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 | 70,686,835 | |
| -1 | -70,686,835 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 70,686,835.
Example:
1 x 70,686,835 = 70,686,835
and
-1 x -70,686,835 = 70,686,835
Notice both answers equal 70,686,835
With that explanation out of the way, let's continue. Next, we take the number 70,686,835 and divide it by 2:
70,686,835 ÷ 2 = 35,343,417.5
If the quotient is a whole number, then 2 and 35,343,417.5 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 | 70,686,835 | |
| -1 | -70,686,835 |
Now, we try dividing 70,686,835 by 3:
70,686,835 ÷ 3 = 23,562,278.3333
If the quotient is a whole number, then 3 and 23,562,278.3333 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 | 70,686,835 | |
| -1 | -70,686,835 |
Let's try dividing by 4:
70,686,835 ÷ 4 = 17,671,708.75
If the quotient is a whole number, then 4 and 17,671,708.75 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 | 70,686,835 | |
| -1 | 70,686,835 |
If you did it right, you will end up with this table:
| 1 | 5 | 37 | 181 | 185 | 905 | 2,111 | 6,697 | 10,555 | 33,485 | 78,107 | 382,091 | 390,535 | 1,910,455 | 14,137,367 | 70,686,835 |
| -1 | -5 | -37 | -181 | -185 | -905 | -2,111 | -6,697 | -10,555 | -33,485 | -78,107 | -382,091 | -390,535 | -1,910,455 | -14,137,367 | -70,686,835 |
Here are some more numbers to try:
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