Mr Daniels Maths
Factors:Prime Factors,HCF and LCM

Set 1

Set 2

Set 3

Q1) Write 9 as a product of its prime factors. [ 32]

Q1) Find the HCF of 22 and 33. [ 11 ]

Q1) Find the LCM of 8,12 and 6. [ 24 ]

Q2) Write 42 as a product of its prime factors. [ 2 x 3 x 7]

Q2) Find the HCF of 24 and 36. [ 12 ]

Q2) Find the HCF 78 and 52. [ 26 ]

Q3) Write 30 as a product of its prime factors. [ 2 x 3 x 5]

Q3) LCM of 32 and 10. [ 160 ]

Q3) Find the LCM of 18,48 and 16. [ 144 ]

Q4) Write 84 as a product of its prime factors. [ 22 x 3 x 7]

Q4) LCM of 33 and 24. [ 264 ]

Q4) Find the HCF 160 and 224. [ 32 ]

Q5) Write 72 as a product of its prime factors. [ 23 x 32]

Q5) LCM of 18 and 14. [ 126 ]

Q5) Find the HCF 93 and 124. [ 31 ]

Q6) Write 40 as a product of its prime factors. [ 23 x 5]

Q6) LCM of 10 and 24. [ 120 ]

Q6) Find the LCM of 66,9 and 6. [ 198 ]

Q7) Write 20 as a product of its prime factors. [ 22 x 5]

Q7) LCM of 40 and 26. [ 520 ]

Q7) HCF of 238,255 and 51. [ 17 ]

Q8) Write 4 as a product of its prime factors. [ 22]

Q8) LCM of 40 and 38. [ 760 ]

Q8) Find the LCM of 64,96 and 12. [ 192 ]

Q9) Write 14 as a product of its prime factors. [ 2 x 7]

Q9) LCM of 27 and 36. [ 108 ]

Q9) Find the LCM of 10,28 and 5. [ 140 ]

Q10) Write 45 as a product of its prime factors. [ 32 x 5]

Q10) Find the HCF of 26 and 39. [ 13 ]

Q10) Find the LCM of 15,18 and 12. [ 180 ]