A:
Positive:
1 x 21469255 x 42938511 x 19517525 x 8587737 x 5802555 x 39035185 x 11605211 x 10175275 x 7807407 x 5275925 x 23211055 x 2035
Negative:
-1 x -2146925-5 x -429385-11 x -195175-25 x -85877-37 x -58025-55 x -39035-185 x -11605-211 x -10175-275 x -7807-407 x -5275-925 x -2321-1055 x -2035
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 2,146,925, 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 | 2,146,925 | |
| -1 | -2,146,925 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,146,925.
Example:
1 x 2,146,925 = 2,146,925
and
-1 x -2,146,925 = 2,146,925
Notice both answers equal 2,146,925
With that explanation out of the way, let's continue. Next, we take the number 2,146,925 and divide it by 2:
2,146,925 ÷ 2 = 1,073,462.5
If the quotient is a whole number, then 2 and 1,073,462.5 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 | 2,146,925 | |
| -1 | -2,146,925 |
Now, we try dividing 2,146,925 by 3:
2,146,925 ÷ 3 = 715,641.6667
If the quotient is a whole number, then 3 and 715,641.6667 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 | 2,146,925 | |
| -1 | -2,146,925 |
Let's try dividing by 4:
2,146,925 ÷ 4 = 536,731.25
If the quotient is a whole number, then 4 and 536,731.25 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 | 2,146,925 | |
| -1 | 2,146,925 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 37 | 55 | 185 | 211 | 275 | 407 | 925 | 1,055 | 2,035 | 2,321 | 5,275 | 7,807 | 10,175 | 11,605 | 39,035 | 58,025 | 85,877 | 195,175 | 429,385 | 2,146,925 |
| -1 | -5 | -11 | -25 | -37 | -55 | -185 | -211 | -275 | -407 | -925 | -1,055 | -2,035 | -2,321 | -5,275 | -7,807 | -10,175 | -11,605 | -39,035 | -58,025 | -85,877 | -195,175 | -429,385 | -2,146,925 |
Here are some more numbers to try:
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