A:
Positive:
1 x 386494755 x 772989525 x 154597943 x 898825157 x 246175215 x 179765229 x 168775785 x 492351075 x 359531145 x 337553925 x 98475725 x 6751
Negative:
-1 x -38649475-5 x -7729895-25 x -1545979-43 x -898825-157 x -246175-215 x -179765-229 x -168775-785 x -49235-1075 x -35953-1145 x -33755-3925 x -9847-5725 x -6751
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 38,649,475, 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 | 38,649,475 | |
| -1 | -38,649,475 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 38,649,475.
Example:
1 x 38,649,475 = 38,649,475
and
-1 x -38,649,475 = 38,649,475
Notice both answers equal 38,649,475
With that explanation out of the way, let's continue. Next, we take the number 38,649,475 and divide it by 2:
38,649,475 ÷ 2 = 19,324,737.5
If the quotient is a whole number, then 2 and 19,324,737.5 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 | 38,649,475 | |
| -1 | -38,649,475 |
Now, we try dividing 38,649,475 by 3:
38,649,475 ÷ 3 = 12,883,158.3333
If the quotient is a whole number, then 3 and 12,883,158.3333 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 | 38,649,475 | |
| -1 | -38,649,475 |
Let's try dividing by 4:
38,649,475 ÷ 4 = 9,662,368.75
If the quotient is a whole number, then 4 and 9,662,368.75 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 | 38,649,475 | |
| -1 | 38,649,475 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 43 | 157 | 215 | 229 | 785 | 1,075 | 1,145 | 3,925 | 5,725 | 6,751 | 9,847 | 33,755 | 35,953 | 49,235 | 168,775 | 179,765 | 246,175 | 898,825 | 1,545,979 | 7,729,895 | 38,649,475 |
| -1 | -5 | -25 | -43 | -157 | -215 | -229 | -785 | -1,075 | -1,145 | -3,925 | -5,725 | -6,751 | -9,847 | -33,755 | -35,953 | -49,235 | -168,775 | -179,765 | -246,175 | -898,825 | -1,545,979 | -7,729,895 | -38,649,475 |
Here are some more numbers to try:
Try the factor calculator