Chapter 1 Review - Prime Numbers, LCM and HCF

Determine if the number is prime or composite

26

• Prime

• Composite

Determine if the number is prime or composite

53

• Prime

• Composite

Determine if the number is prime or composite

247

• Prime

• Composite

Determine if the number is prime or composite

108

• Prime

• Composite

Which of these numbers is a prime number?

• 49

• 30

• 41

• 33

Find the largest Prime Factor of 2820

• 53

• 51

• 49

• 47

 $48400=2^4\times5^2\times11^2$  
Find the value of  square root of 48400

(a)  

 $91125=3^6\times5^3$  
Find the value of cube root of 91125

(a)  

Find the LCM of 168 and 224

(a)  

Find the LCM of 110, 132 and 176

(a)