A:
Positive:
1 x 7556253111 x 686932131 x 243750171 x 1064261341 x 221591781 x 967512201 x 343313121 x 24211
Negative:
-1 x -75562531-11 x -6869321-31 x -2437501-71 x -1064261-341 x -221591-781 x -96751-2201 x -34331-3121 x -24211
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 75,562,531, 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 | 75,562,531 | |
| -1 | -75,562,531 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 75,562,531.
Example:
1 x 75,562,531 = 75,562,531
and
-1 x -75,562,531 = 75,562,531
Notice both answers equal 75,562,531
With that explanation out of the way, let's continue. Next, we take the number 75,562,531 and divide it by 2:
75,562,531 ÷ 2 = 37,781,265.5
If the quotient is a whole number, then 2 and 37,781,265.5 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 | 75,562,531 | |
| -1 | -75,562,531 |
Now, we try dividing 75,562,531 by 3:
75,562,531 ÷ 3 = 25,187,510.3333
If the quotient is a whole number, then 3 and 25,187,510.3333 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 | 75,562,531 | |
| -1 | -75,562,531 |
Let's try dividing by 4:
75,562,531 ÷ 4 = 18,890,632.75
If the quotient is a whole number, then 4 and 18,890,632.75 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 | 75,562,531 | |
| -1 | 75,562,531 |
If you did it right, you will end up with this table:
| 1 | 11 | 31 | 71 | 341 | 781 | 2,201 | 3,121 | 24,211 | 34,331 | 96,751 | 221,591 | 1,064,261 | 2,437,501 | 6,869,321 | 75,562,531 |
| -1 | -11 | -31 | -71 | -341 | -781 | -2,201 | -3,121 | -24,211 | -34,331 | -96,751 | -221,591 | -1,064,261 | -2,437,501 | -6,869,321 | -75,562,531 |
Here are some more numbers to try:
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