Mr Daniels Maths
Factors:Prime Factors,HCF and LCM

Set 1

Set 2

Set 3

Q1) Write 27 as a product of its prime factors. [ 33]

Q1) Find the HCF of 24 and 36. [ 12 ]

Q1) HCF of 115,253 and 46. [ 23 ]

Q2) Write 28 as a product of its prime factors. [ 22 x 7]

Q2) Find the HCF of 22 and 33. [ 11 ]

Q2) Find the LCM of 4,50 and 5. [ 100 ]

Q3) Write 72 as a product of its prime factors. [ 23 x 32]

Q3) Find the HCF of 24 and 36. [ 12 ]

Q3) HCF of 224,168 and 112. [ 56 ]

Q4) Write 32 as a product of its prime factors. [ 25]

Q4) Find the HCF of 26 and 39. [ 13 ]

Q4) HCF of 276,184 and 92. [ 92 ]

Q5) Write 63 as a product of its prime factors. [ 32 x 7]

Q5) LCM of 12 and 21. [ 84 ]

Q5) HCF of 51,204 and 136. [ 17 ]

Q6) Write 12 as a product of its prime factors. [ 22 x 3]

Q6) LCM of 22 and 38. [ 418 ]

Q6) Find the LCM of 24,6 and 5. [ 120 ]

Q7) Write 50 as a product of its prime factors. [ 2 x 52]

Q7) Find the HCF of 24 and 36. [ 12 ]

Q7) Find the HCF 96 and 160. [ 32 ]

Q8) Write 86 as a product of its prime factors. [ 2 x 43]

Q8) LCM of 32 and 20. [ 160 ]

Q8) Find the HCF 140 and 210. [ 70 ]

Q9) Write 96 as a product of its prime factors. [ 25 x 3]

Q9) Find the HCF of 22 and 33. [ 11 ]

Q9) HCF of 168,273 and 105. [ 21 ]

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 HCF 217 and 186. [ 31 ]