A:
Positive:
1 x 1022382555 x 204476517 x 1460546517 x 601401535 x 292109349 x 208649585 x 1202803119 x 859145245 x 417299595 x 171829833 x 1227354165 x 24547
Negative:
-1 x -102238255-5 x -20447651-7 x -14605465-17 x -6014015-35 x -2921093-49 x -2086495-85 x -1202803-119 x -859145-245 x -417299-595 x -171829-833 x -122735-4165 x -24547
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 102,238,255, 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 | 102,238,255 | |
| -1 | -102,238,255 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 102,238,255.
Example:
1 x 102,238,255 = 102,238,255
and
-1 x -102,238,255 = 102,238,255
Notice both answers equal 102,238,255
With that explanation out of the way, let's continue. Next, we take the number 102,238,255 and divide it by 2:
102,238,255 ÷ 2 = 51,119,127.5
If the quotient is a whole number, then 2 and 51,119,127.5 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 | 102,238,255 | |
| -1 | -102,238,255 |
Now, we try dividing 102,238,255 by 3:
102,238,255 ÷ 3 = 34,079,418.3333
If the quotient is a whole number, then 3 and 34,079,418.3333 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 | 102,238,255 | |
| -1 | -102,238,255 |
Let's try dividing by 4:
102,238,255 ÷ 4 = 25,559,563.75
If the quotient is a whole number, then 4 and 25,559,563.75 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 | 102,238,255 | |
| -1 | 102,238,255 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 17 | 35 | 49 | 85 | 119 | 245 | 595 | 833 | 4,165 | 24,547 | 122,735 | 171,829 | 417,299 | 859,145 | 1,202,803 | 2,086,495 | 2,921,093 | 6,014,015 | 14,605,465 | 20,447,651 | 102,238,255 |
| -1 | -5 | -7 | -17 | -35 | -49 | -85 | -119 | -245 | -595 | -833 | -4,165 | -24,547 | -122,735 | -171,829 | -417,299 | -859,145 | -1,202,803 | -2,086,495 | -2,921,093 | -6,014,015 | -14,605,465 | -20,447,651 | -102,238,255 |
Here are some more numbers to try:
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