A:
Positive:
1 x 691852077 x 988360113 x 532193949 x 141194391 x 760277313 x 221039347 x 199381637 x 1086112191 x 315772429 x 284834069 x 170034511 x 15337
Negative:
-1 x -69185207-7 x -9883601-13 x -5321939-49 x -1411943-91 x -760277-313 x -221039-347 x -199381-637 x -108611-2191 x -31577-2429 x -28483-4069 x -17003-4511 x -15337
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 69,185,207, 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 | 69,185,207 | |
| -1 | -69,185,207 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 69,185,207.
Example:
1 x 69,185,207 = 69,185,207
and
-1 x -69,185,207 = 69,185,207
Notice both answers equal 69,185,207
With that explanation out of the way, let's continue. Next, we take the number 69,185,207 and divide it by 2:
69,185,207 ÷ 2 = 34,592,603.5
If the quotient is a whole number, then 2 and 34,592,603.5 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 | 69,185,207 | |
| -1 | -69,185,207 |
Now, we try dividing 69,185,207 by 3:
69,185,207 ÷ 3 = 23,061,735.6667
If the quotient is a whole number, then 3 and 23,061,735.6667 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 | 69,185,207 | |
| -1 | -69,185,207 |
Let's try dividing by 4:
69,185,207 ÷ 4 = 17,296,301.75
If the quotient is a whole number, then 4 and 17,296,301.75 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 | 69,185,207 | |
| -1 | 69,185,207 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 49 | 91 | 313 | 347 | 637 | 2,191 | 2,429 | 4,069 | 4,511 | 15,337 | 17,003 | 28,483 | 31,577 | 108,611 | 199,381 | 221,039 | 760,277 | 1,411,943 | 5,321,939 | 9,883,601 | 69,185,207 |
| -1 | -7 | -13 | -49 | -91 | -313 | -347 | -637 | -2,191 | -2,429 | -4,069 | -4,511 | -15,337 | -17,003 | -28,483 | -31,577 | -108,611 | -199,381 | -221,039 | -760,277 | -1,411,943 | -5,321,939 | -9,883,601 | -69,185,207 |
Here are some more numbers to try:
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