A:
Positive:
1 x 15210061113 x 1170004741 x 3709771139 x 1094249533 x 2853671807 x 841732053 x 740875699 x 26689
Negative:
-1 x -152100611-13 x -11700047-41 x -3709771-139 x -1094249-533 x -285367-1807 x -84173-2053 x -74087-5699 x -26689
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 152,100,611, 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 | 152,100,611 | |
| -1 | -152,100,611 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 152,100,611.
Example:
1 x 152,100,611 = 152,100,611
and
-1 x -152,100,611 = 152,100,611
Notice both answers equal 152,100,611
With that explanation out of the way, let's continue. Next, we take the number 152,100,611 and divide it by 2:
152,100,611 ÷ 2 = 76,050,305.5
If the quotient is a whole number, then 2 and 76,050,305.5 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 | 152,100,611 | |
| -1 | -152,100,611 |
Now, we try dividing 152,100,611 by 3:
152,100,611 ÷ 3 = 50,700,203.6667
If the quotient is a whole number, then 3 and 50,700,203.6667 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 | 152,100,611 | |
| -1 | -152,100,611 |
Let's try dividing by 4:
152,100,611 ÷ 4 = 38,025,152.75
If the quotient is a whole number, then 4 and 38,025,152.75 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 | 152,100,611 | |
| -1 | 152,100,611 |
If you did it right, you will end up with this table:
| 1 | 13 | 41 | 139 | 533 | 1,807 | 2,053 | 5,699 | 26,689 | 74,087 | 84,173 | 285,367 | 1,094,249 | 3,709,771 | 11,700,047 | 152,100,611 |
| -1 | -13 | -41 | -139 | -533 | -1,807 | -2,053 | -5,699 | -26,689 | -74,087 | -84,173 | -285,367 | -1,094,249 | -3,709,771 | -11,700,047 | -152,100,611 |
Here are some more numbers to try:
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