A:
Positive:
1 x 796570255 x 159314057 x 1137957519 x 419247525 x 318628135 x 227591595 x 838495133 x 598925175 x 455183475 x 167699665 x 1197853325 x 23957
Negative:
-1 x -79657025-5 x -15931405-7 x -11379575-19 x -4192475-25 x -3186281-35 x -2275915-95 x -838495-133 x -598925-175 x -455183-475 x -167699-665 x -119785-3325 x -23957
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 79,657,025, 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 | 79,657,025 | |
| -1 | -79,657,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 79,657,025.
Example:
1 x 79,657,025 = 79,657,025
and
-1 x -79,657,025 = 79,657,025
Notice both answers equal 79,657,025
With that explanation out of the way, let's continue. Next, we take the number 79,657,025 and divide it by 2:
79,657,025 ÷ 2 = 39,828,512.5
If the quotient is a whole number, then 2 and 39,828,512.5 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 | 79,657,025 | |
| -1 | -79,657,025 |
Now, we try dividing 79,657,025 by 3:
79,657,025 ÷ 3 = 26,552,341.6667
If the quotient is a whole number, then 3 and 26,552,341.6667 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 | 79,657,025 | |
| -1 | -79,657,025 |
Let's try dividing by 4:
79,657,025 ÷ 4 = 19,914,256.25
If the quotient is a whole number, then 4 and 19,914,256.25 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 | 79,657,025 | |
| -1 | 79,657,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 19 | 25 | 35 | 95 | 133 | 175 | 475 | 665 | 3,325 | 23,957 | 119,785 | 167,699 | 455,183 | 598,925 | 838,495 | 2,275,915 | 3,186,281 | 4,192,475 | 11,379,575 | 15,931,405 | 79,657,025 |
| -1 | -5 | -7 | -19 | -25 | -35 | -95 | -133 | -175 | -475 | -665 | -3,325 | -23,957 | -119,785 | -167,699 | -455,183 | -598,925 | -838,495 | -2,275,915 | -3,186,281 | -4,192,475 | -11,379,575 | -15,931,405 | -79,657,025 |
Here are some more numbers to try:
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