A:
Positive:
1 x 684705777 x 978151117 x 402768143 x 1592339119 x 575383301 x 227477731 x 936675117 x 13381
Negative:
-1 x -68470577-7 x -9781511-17 x -4027681-43 x -1592339-119 x -575383-301 x -227477-731 x -93667-5117 x -13381
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 68,470,577, 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 | 68,470,577 | |
| -1 | -68,470,577 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 68,470,577.
Example:
1 x 68,470,577 = 68,470,577
and
-1 x -68,470,577 = 68,470,577
Notice both answers equal 68,470,577
With that explanation out of the way, let's continue. Next, we take the number 68,470,577 and divide it by 2:
68,470,577 ÷ 2 = 34,235,288.5
If the quotient is a whole number, then 2 and 34,235,288.5 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 | 68,470,577 | |
| -1 | -68,470,577 |
Now, we try dividing 68,470,577 by 3:
68,470,577 ÷ 3 = 22,823,525.6667
If the quotient is a whole number, then 3 and 22,823,525.6667 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 | 68,470,577 | |
| -1 | -68,470,577 |
Let's try dividing by 4:
68,470,577 ÷ 4 = 17,117,644.25
If the quotient is a whole number, then 4 and 17,117,644.25 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 | 68,470,577 | |
| -1 | 68,470,577 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 43 | 119 | 301 | 731 | 5,117 | 13,381 | 93,667 | 227,477 | 575,383 | 1,592,339 | 4,027,681 | 9,781,511 | 68,470,577 |
| -1 | -7 | -17 | -43 | -119 | -301 | -731 | -5,117 | -13,381 | -93,667 | -227,477 | -575,383 | -1,592,339 | -4,027,681 | -9,781,511 | -68,470,577 |
Here are some more numbers to try:
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