A:
Positive:
1 x 20371755 x 4074357 x 29102525 x 8148735 x 5820549 x 41575175 x 11641245 x 83151225 x 1663
Negative:
-1 x -2037175-5 x -407435-7 x -291025-25 x -81487-35 x -58205-49 x -41575-175 x -11641-245 x -8315-1225 x -1663
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 2,037,175, 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 | 2,037,175 | |
| -1 | -2,037,175 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,037,175.
Example:
1 x 2,037,175 = 2,037,175
and
-1 x -2,037,175 = 2,037,175
Notice both answers equal 2,037,175
With that explanation out of the way, let's continue. Next, we take the number 2,037,175 and divide it by 2:
2,037,175 ÷ 2 = 1,018,587.5
If the quotient is a whole number, then 2 and 1,018,587.5 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 | 2,037,175 | |
| -1 | -2,037,175 |
Now, we try dividing 2,037,175 by 3:
2,037,175 ÷ 3 = 679,058.3333
If the quotient is a whole number, then 3 and 679,058.3333 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 | 2,037,175 | |
| -1 | -2,037,175 |
Let's try dividing by 4:
2,037,175 ÷ 4 = 509,293.75
If the quotient is a whole number, then 4 and 509,293.75 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 | 2,037,175 | |
| -1 | 2,037,175 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 49 | 175 | 245 | 1,225 | 1,663 | 8,315 | 11,641 | 41,575 | 58,205 | 81,487 | 291,025 | 407,435 | 2,037,175 |
| -1 | -5 | -7 | -25 | -35 | -49 | -175 | -245 | -1,225 | -1,663 | -8,315 | -11,641 | -41,575 | -58,205 | -81,487 | -291,025 | -407,435 | -2,037,175 |
Here are some more numbers to try:
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