The prime factorization of 270 is 2 1×3 3×5 1.
How many positive integer factors (includes composite and prime) does 270 have?
270 has 16 factors.
Here is how the number of factors were calculated:
//In the future enter php code here to demonstrate how to find the number of factors.
The power factor one-dimensional arrays are:
Powers of 2: Array
(
[0] => 1
[1] => 2
)
Powers of 3: Array
(
[0] => 1
[1] => 3
[2] => 9
[3] => 27
)
Powers of 5: Array
(
[0] => 1
[1] => 5
)
The 16 composite factors of 270 are listed in the array below:
Array
(
[0] => Array
(
[0] => Array
(
[0] => 1
[1] => 5
)
[1] => Array
(
[0] => 3
[1] => 15
)
[2] => Array
(
[0] => 9
[1] => 45
)
[3] => Array
(
[0] => 27
[1] => 135
)
)
[1] => Array
(
[0] => Array
(
[0] => 2
[1] => 10
)
[1] => Array
(
[0] => 6
[1] => 30
)
[2] => Array
(
[0] => 18
[1] => 90
)
[3] => Array
(
[0] => 54
[1] => 270
)
)
)
The composite factors listed in the array above are:
1 5 3 15 9 45 27 135 2 10 6 30 18 90 54 270