procedure to find the factors of 60:
from second row try for all possible numbers so that their multiplication gives 60.
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 60
1
|
X
|
60
|
=
|
60
|
2
|
X
|
30
|
=
|
60
|
3
|
X
|
20
|
=
|
60
|
4
|
X
|
15
|
=
|
60
|
5
|
X
|
12
|
=
|
60
|
6
|
X
|
10
|
=
|
60
|
10
|
X
|
6
|
=
|
60
|
12
|
X
|
5
|
=
|
60
|
15
|
X
|
4
|
=
|
60
|
20
|
X
|
3
|
=
|
60
|
30
|
X
|
2
|
=
|
60
|
60
|
X
|
1
|
=
|
60
|
as shown in the above table in first row multiply 1 by number 60.
then the first column shows the factors of number 60 which are shown in red colour:
factors of number 60: 1,2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60.
if you divide the 60 with any one of the above factors reminder is zero
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