A:
Positive:
1 x 14522452113 x 1117111773 x 1989377137 x 1060033949 x 1530291117 x 1300131781 x 8154110001 x 14521
Negative:
-1 x -145224521-13 x -11171117-73 x -1989377-137 x -1060033-949 x -153029-1117 x -130013-1781 x -81541-10001 x -14521
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 145,224,521, 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 | 145,224,521 | |
| -1 | -145,224,521 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 145,224,521.
Example:
1 x 145,224,521 = 145,224,521
and
-1 x -145,224,521 = 145,224,521
Notice both answers equal 145,224,521
With that explanation out of the way, let's continue. Next, we take the number 145,224,521 and divide it by 2:
145,224,521 ÷ 2 = 72,612,260.5
If the quotient is a whole number, then 2 and 72,612,260.5 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 | 145,224,521 | |
| -1 | -145,224,521 |
Now, we try dividing 145,224,521 by 3:
145,224,521 ÷ 3 = 48,408,173.6667
If the quotient is a whole number, then 3 and 48,408,173.6667 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 | 145,224,521 | |
| -1 | -145,224,521 |
Let's try dividing by 4:
145,224,521 ÷ 4 = 36,306,130.25
If the quotient is a whole number, then 4 and 36,306,130.25 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 | 145,224,521 | |
| -1 | 145,224,521 |
If you did it right, you will end up with this table:
| 1 | 13 | 73 | 137 | 949 | 1,117 | 1,781 | 10,001 | 14,521 | 81,541 | 130,013 | 153,029 | 1,060,033 | 1,989,377 | 11,171,117 | 145,224,521 |
| -1 | -13 | -73 | -137 | -949 | -1,117 | -1,781 | -10,001 | -14,521 | -81,541 | -130,013 | -153,029 | -1,060,033 | -1,989,377 | -11,171,117 | -145,224,521 |
Here are some more numbers to try:
Try the factor calculator