Mr Daniels Maths
Factors:Prime Factors,HCF and LCM

Set 1

Set 2

Set 3

Q1) Write 75 as a product of its prime factors. [ 3 x 52]

Q1) LCM of 32 and 36. [ 288 ]

Q1) Find the LCM of 12,54 and 9. [ 108 ]

Q2) Write 58 as a product of its prime factors. [ 2 x 29]

Q2) LCM of 28 and 32. [ 224 ]

Q2) HCF of 126,189 and 63. [ 63 ]

Q3) Write 85 as a product of its prime factors. [ 5 x 17]

Q3) LCM of 14 and 30. [ 210 ]

Q3) Find the HCF 189 and 162. [ 27 ]

Q4) Write 91 as a product of its prime factors. [ 7 x 13]

Q4) LCM of 28 and 34. [ 476 ]

Q4) Find the HCF 51 and 289. [ 17 ]

Q5) Write 42 as a product of its prime factors. [ 2 x 3 x 7]

Q5) LCM of 20 and 32. [ 160 ]

Q5) Find the HCF 255 and 272. [ 17 ]

Q6) Write 88 as a product of its prime factors. [ 23 x 11]

Q6) LCM of 18 and 39. [ 234 ]

Q6) HCF of 297,54 and 27. [ 27 ]

Q7) Write 87 as a product of its prime factors. [ 3 x 29]

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

Q7) HCF of 216,96 and 48. [ 24 ]

Q8) Write 92 as a product of its prime factors. [ 22 x 23]

Q8) Find the HCF of 26 and 39. [ 13 ]

Q8) HCF of 128,224 and 80. [ 16 ]

Q9) Write 4 as a product of its prime factors. [ 22]

Q9) LCM of 22 and 10. [ 110 ]

Q9) Find the HCF 224 and 48. [ 16 ]

Q10) Write 8 as a product of its prime factors. [ 23]

Q10) LCM of 39 and 33. [ 429 ]

Q10) Find the HCF 84 and 63. [ 21 ]