A:
Positive:
1 x 687011755 x 1374023525 x 274804783 x 827725113 x 607975293 x 234475415 x 165545565 x 1215951465 x 468952075 x 331092825 x 243197325 x 9379
Negative:
-1 x -68701175-5 x -13740235-25 x -2748047-83 x -827725-113 x -607975-293 x -234475-415 x -165545-565 x -121595-1465 x -46895-2075 x -33109-2825 x -24319-7325 x -9379
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 68,701,175, 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 | 68,701,175 | |
| -1 | -68,701,175 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 68,701,175.
Example:
1 x 68,701,175 = 68,701,175
and
-1 x -68,701,175 = 68,701,175
Notice both answers equal 68,701,175
With that explanation out of the way, let's continue. Next, we take the number 68,701,175 and divide it by 2:
68,701,175 ÷ 2 = 34,350,587.5
If the quotient is a whole number, then 2 and 34,350,587.5 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 | 68,701,175 | |
| -1 | -68,701,175 |
Now, we try dividing 68,701,175 by 3:
68,701,175 ÷ 3 = 22,900,391.6667
If the quotient is a whole number, then 3 and 22,900,391.6667 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 | 68,701,175 | |
| -1 | -68,701,175 |
Let's try dividing by 4:
68,701,175 ÷ 4 = 17,175,293.75
If the quotient is a whole number, then 4 and 17,175,293.75 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 | 68,701,175 | |
| -1 | 68,701,175 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 83 | 113 | 293 | 415 | 565 | 1,465 | 2,075 | 2,825 | 7,325 | 9,379 | 24,319 | 33,109 | 46,895 | 121,595 | 165,545 | 234,475 | 607,975 | 827,725 | 2,748,047 | 13,740,235 | 68,701,175 |
| -1 | -5 | -25 | -83 | -113 | -293 | -415 | -565 | -1,465 | -2,075 | -2,825 | -7,325 | -9,379 | -24,319 | -33,109 | -46,895 | -121,595 | -165,545 | -234,475 | -607,975 | -827,725 | -2,748,047 | -13,740,235 | -68,701,175 |
Here are some more numbers to try:
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