A:
Positive:
1 x 133712117 x 191017323 x 58135753 x 252287161 x 83051371 x 360411219 x 109691567 x 8533
Negative:
-1 x -13371211-7 x -1910173-23 x -581357-53 x -252287-161 x -83051-371 x -36041-1219 x -10969-1567 x -8533
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 13,371,211, 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 | 13,371,211 | |
| -1 | -13,371,211 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,371,211.
Example:
1 x 13,371,211 = 13,371,211
and
-1 x -13,371,211 = 13,371,211
Notice both answers equal 13,371,211
With that explanation out of the way, let's continue. Next, we take the number 13,371,211 and divide it by 2:
13,371,211 ÷ 2 = 6,685,605.5
If the quotient is a whole number, then 2 and 6,685,605.5 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 | 13,371,211 | |
| -1 | -13,371,211 |
Now, we try dividing 13,371,211 by 3:
13,371,211 ÷ 3 = 4,457,070.3333
If the quotient is a whole number, then 3 and 4,457,070.3333 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 | 13,371,211 | |
| -1 | -13,371,211 |
Let's try dividing by 4:
13,371,211 ÷ 4 = 3,342,802.75
If the quotient is a whole number, then 4 and 3,342,802.75 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 | 13,371,211 | |
| -1 | 13,371,211 |
If you did it right, you will end up with this table:
| 1 | 7 | 23 | 53 | 161 | 371 | 1,219 | 1,567 | 8,533 | 10,969 | 36,041 | 83,051 | 252,287 | 581,357 | 1,910,173 | 13,371,211 |
| -1 | -7 | -23 | -53 | -161 | -371 | -1,219 | -1,567 | -8,533 | -10,969 | -36,041 | -83,051 | -252,287 | -581,357 | -1,910,173 | -13,371,211 |
Here are some more numbers to try:
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