A:
Positive:
1 x 3716407455 x 743281497 x 5309153535 x 1061830749 x 7584505245 x 15169011063 x 3496151427 x 2604355315 x 699237135 x 520877441 x 499459989 x 37205
Negative:
-1 x -371640745-5 x -74328149-7 x -53091535-35 x -10618307-49 x -7584505-245 x -1516901-1063 x -349615-1427 x -260435-5315 x -69923-7135 x -52087-7441 x -49945-9989 x -37205
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 371,640,745, 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 | 371,640,745 | |
| -1 | -371,640,745 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 371,640,745.
Example:
1 x 371,640,745 = 371,640,745
and
-1 x -371,640,745 = 371,640,745
Notice both answers equal 371,640,745
With that explanation out of the way, let's continue. Next, we take the number 371,640,745 and divide it by 2:
371,640,745 ÷ 2 = 185,820,372.5
If the quotient is a whole number, then 2 and 185,820,372.5 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 | 371,640,745 | |
| -1 | -371,640,745 |
Now, we try dividing 371,640,745 by 3:
371,640,745 ÷ 3 = 123,880,248.3333
If the quotient is a whole number, then 3 and 123,880,248.3333 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 | 371,640,745 | |
| -1 | -371,640,745 |
Let's try dividing by 4:
371,640,745 ÷ 4 = 92,910,186.25
If the quotient is a whole number, then 4 and 92,910,186.25 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 | 371,640,745 | |
| -1 | 371,640,745 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 245 | 1,063 | 1,427 | 5,315 | 7,135 | 7,441 | 9,989 | 37,205 | 49,945 | 52,087 | 69,923 | 260,435 | 349,615 | 1,516,901 | 7,584,505 | 10,618,307 | 53,091,535 | 74,328,149 | 371,640,745 |
| -1 | -5 | -7 | -35 | -49 | -245 | -1,063 | -1,427 | -5,315 | -7,135 | -7,441 | -9,989 | -37,205 | -49,945 | -52,087 | -69,923 | -260,435 | -349,615 | -1,516,901 | -7,584,505 | -10,618,307 | -53,091,535 | -74,328,149 | -371,640,745 |
Here are some more numbers to try:
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