procedure to find the factors of 30:
as shown in the above table in first row multiply 1 by number 30.
from second row try for all possible numbers so that their multiplication gives 30.
when you want to start calculating the factors start from 1. 1 is a common factor for all numbers.
the following table shows the factors of 30
1
|
X
|
30
|
=
|
30
|
2
|
X
|
15
|
=
|
30
|
3
|
X
|
10
|
=
|
30
|
5
|
X
|
6
|
=
|
30
|
6
|
X
|
5
|
=
|
30
|
10
|
X
|
3
|
=
|
30
|
15
|
X
|
2
|
=
|
30
|
30
|
X
|
1
|
=
|
30
|
then the first column shows the factors of number 30 which are shown in red colour:
factors of number 30: 1,2, 3, 5, 6,10,15, 30.
if you divide the 30 with any one of the above factors reminder is zero
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