A:
Positive:
1 x 18767095347 x 399299961 x 307657367 x 2801059977 x 1920892867 x 654593149 x 595974087 x 45919
Negative:
-1 x -187670953-47 x -3992999-61 x -3076573-67 x -2801059-977 x -192089-2867 x -65459-3149 x -59597-4087 x -45919
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 187,670,953, 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 | 187,670,953 | |
| -1 | -187,670,953 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 187,670,953.
Example:
1 x 187,670,953 = 187,670,953
and
-1 x -187,670,953 = 187,670,953
Notice both answers equal 187,670,953
With that explanation out of the way, let's continue. Next, we take the number 187,670,953 and divide it by 2:
187,670,953 ÷ 2 = 93,835,476.5
If the quotient is a whole number, then 2 and 93,835,476.5 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 | 187,670,953 | |
| -1 | -187,670,953 |
Now, we try dividing 187,670,953 by 3:
187,670,953 ÷ 3 = 62,556,984.3333
If the quotient is a whole number, then 3 and 62,556,984.3333 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 | 187,670,953 | |
| -1 | -187,670,953 |
Let's try dividing by 4:
187,670,953 ÷ 4 = 46,917,738.25
If the quotient is a whole number, then 4 and 46,917,738.25 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 | 187,670,953 | |
| -1 | 187,670,953 |
If you did it right, you will end up with this table:
| 1 | 47 | 61 | 67 | 977 | 2,867 | 3,149 | 4,087 | 45,919 | 59,597 | 65,459 | 192,089 | 2,801,059 | 3,076,573 | 3,992,999 | 187,670,953 |
| -1 | -47 | -61 | -67 | -977 | -2,867 | -3,149 | -4,087 | -45,919 | -59,597 | -65,459 | -192,089 | -2,801,059 | -3,076,573 | -3,992,999 | -187,670,953 |
Here are some more numbers to try:
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