Factors:Factors and Multiples

## Difficult

Q1) What are the factors of 18
Q1) Write 66 as a product of its prime factors.
Q1) What are the HCF and LCM of 116 and 180
Q2) What are the factors of 65
Q2) Write 27 as a product of its prime factors.
Q2) What are the HCF and LCM of 217 and 21
Q3) What are the factors of 88
Q3) Write 92 as a product of its prime factors.
Q3) What are the HCF and LCM of 116 and 156
Q4) What are the factors of 90
Q4) Write 54 as a product of its prime factors.
Q4) What are the HCF and LCM of 189 and 245
Q5) What are the factors of 31
Q5) Write 8 as a product of its prime factors.
Q5) What are the HCF and LCM of 16 and 200
Q6) What are the factors of 53
Q6) Write 10 as a product of its prime factors.
Q6) What are the HCF and LCM of 92 and 248
Q7) What are the factors of 56
Q7) Write 81 as a product of its prime factors.
Q7) What are the HCF and LCM of 119 and 14
Q8) What are the factors of 39
Q8) Write 100 as a product of its prime factors.
Q8) What are the HCF and LCM of 104 and 8
Q9) What are the factors of 28
Q9) Write 98 as a product of its prime factors.
Q9) What are the HCF and LCM of 54 and 84
Q10) What are the factors of 95
Q10) Write 75 as a product of its prime factors.
Q10) What are the HCF and LCM of 31 and 248