A:
Positive:
1 x 1673171577 x 2390245123 x 727465967 x 2497271161 x 1039237469 x 3567531541 x 10857710787 x 15511
Negative:
-1 x -167317157-7 x -23902451-23 x -7274659-67 x -2497271-161 x -1039237-469 x -356753-1541 x -108577-10787 x -15511
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 167,317,157, 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 | 167,317,157 | |
| -1 | -167,317,157 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 167,317,157.
Example:
1 x 167,317,157 = 167,317,157
and
-1 x -167,317,157 = 167,317,157
Notice both answers equal 167,317,157
With that explanation out of the way, let's continue. Next, we take the number 167,317,157 and divide it by 2:
167,317,157 ÷ 2 = 83,658,578.5
If the quotient is a whole number, then 2 and 83,658,578.5 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 | 167,317,157 | |
| -1 | -167,317,157 |
Now, we try dividing 167,317,157 by 3:
167,317,157 ÷ 3 = 55,772,385.6667
If the quotient is a whole number, then 3 and 55,772,385.6667 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 | 167,317,157 | |
| -1 | -167,317,157 |
Let's try dividing by 4:
167,317,157 ÷ 4 = 41,829,289.25
If the quotient is a whole number, then 4 and 41,829,289.25 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 | 167,317,157 | |
| -1 | 167,317,157 |
If you did it right, you will end up with this table:
| 1 | 7 | 23 | 67 | 161 | 469 | 1,541 | 10,787 | 15,511 | 108,577 | 356,753 | 1,039,237 | 2,497,271 | 7,274,659 | 23,902,451 | 167,317,157 |
| -1 | -7 | -23 | -67 | -161 | -469 | -1,541 | -10,787 | -15,511 | -108,577 | -356,753 | -1,039,237 | -2,497,271 | -7,274,659 | -23,902,451 | -167,317,157 |
Here are some more numbers to try:
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