A:
Positive:
1 x 77714655 x 155429313 x 59780517 x 45714565 x 11956185 x 91429169 x 45985221 x 35165541 x 14365845 x 91971105 x 70332705 x 2873
Negative:
-1 x -7771465-5 x -1554293-13 x -597805-17 x -457145-65 x -119561-85 x -91429-169 x -45985-221 x -35165-541 x -14365-845 x -9197-1105 x -7033-2705 x -2873
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 7,771,465, 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 | 7,771,465 | |
| -1 | -7,771,465 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,771,465.
Example:
1 x 7,771,465 = 7,771,465
and
-1 x -7,771,465 = 7,771,465
Notice both answers equal 7,771,465
With that explanation out of the way, let's continue. Next, we take the number 7,771,465 and divide it by 2:
7,771,465 ÷ 2 = 3,885,732.5
If the quotient is a whole number, then 2 and 3,885,732.5 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 | 7,771,465 | |
| -1 | -7,771,465 |
Now, we try dividing 7,771,465 by 3:
7,771,465 ÷ 3 = 2,590,488.3333
If the quotient is a whole number, then 3 and 2,590,488.3333 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 | 7,771,465 | |
| -1 | -7,771,465 |
Let's try dividing by 4:
7,771,465 ÷ 4 = 1,942,866.25
If the quotient is a whole number, then 4 and 1,942,866.25 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 | 7,771,465 | |
| -1 | 7,771,465 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 17 | 65 | 85 | 169 | 221 | 541 | 845 | 1,105 | 2,705 | 2,873 | 7,033 | 9,197 | 14,365 | 35,165 | 45,985 | 91,429 | 119,561 | 457,145 | 597,805 | 1,554,293 | 7,771,465 |
| -1 | -5 | -13 | -17 | -65 | -85 | -169 | -221 | -541 | -845 | -1,105 | -2,705 | -2,873 | -7,033 | -9,197 | -14,365 | -35,165 | -45,985 | -91,429 | -119,561 | -457,145 | -597,805 | -1,554,293 | -7,771,465 |
Here are some more numbers to try:
Try the factor calculator