Factors & Multiples class 4

What are the factors of 72?

• 1,2,5,7,8,9,12,13,15,17,24,37,72

• 1,2,3,4,6,8,9,12,18,24,36,72

When we multiply a number with 1,2,3...,we get the multiples of that number.

• True

• False

21 has only 2 Factors.

• True

• False

What are the two common multiples of 5 & 6 ?

• 5,6=30,60

• 5,6=30,50

What are the first 5 multiples of 15 ?

• 15,25,40,65,80

• 15,35,50,65,80

• 15,30,45,60,75

Factors of 17 are:

• 1,2,8,17

• 1,17

• 15,17

The common factor of a composite number and prime number is always 0.

• True

• False

• I don't know

• All of these

Every number other than 1 has atleast ______ factors.

• one

• two

• three

Multiples of a number are ___________.

• Infinite

• Finite

1 is neither prime or composite number.

• False

• True