A:
Positive:
1 x 1500132555 x 300026517 x 2143046535 x 428609349 x 3061495245 x 612299281 x 5338551405 x 1067711967 x 762652179 x 688459835 x 1525310895 x 13769
Negative:
-1 x -150013255-5 x -30002651-7 x -21430465-35 x -4286093-49 x -3061495-245 x -612299-281 x -533855-1405 x -106771-1967 x -76265-2179 x -68845-9835 x -15253-10895 x -13769
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 150,013,255, 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 | 150,013,255 | |
| -1 | -150,013,255 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 150,013,255.
Example:
1 x 150,013,255 = 150,013,255
and
-1 x -150,013,255 = 150,013,255
Notice both answers equal 150,013,255
With that explanation out of the way, let's continue. Next, we take the number 150,013,255 and divide it by 2:
150,013,255 ÷ 2 = 75,006,627.5
If the quotient is a whole number, then 2 and 75,006,627.5 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 | 150,013,255 | |
| -1 | -150,013,255 |
Now, we try dividing 150,013,255 by 3:
150,013,255 ÷ 3 = 50,004,418.3333
If the quotient is a whole number, then 3 and 50,004,418.3333 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 | 150,013,255 | |
| -1 | -150,013,255 |
Let's try dividing by 4:
150,013,255 ÷ 4 = 37,503,313.75
If the quotient is a whole number, then 4 and 37,503,313.75 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 | 150,013,255 | |
| -1 | 150,013,255 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 245 | 281 | 1,405 | 1,967 | 2,179 | 9,835 | 10,895 | 13,769 | 15,253 | 68,845 | 76,265 | 106,771 | 533,855 | 612,299 | 3,061,495 | 4,286,093 | 21,430,465 | 30,002,651 | 150,013,255 |
| -1 | -5 | -7 | -35 | -49 | -245 | -281 | -1,405 | -1,967 | -2,179 | -9,835 | -10,895 | -13,769 | -15,253 | -68,845 | -76,265 | -106,771 | -533,855 | -612,299 | -3,061,495 | -4,286,093 | -21,430,465 | -30,002,651 | -150,013,255 |
Here are some more numbers to try:
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