Mr Daniels Maths
Factors:Prime Factors,HCF and LCM

Set 1

Set 2

Set 3

Q1) Write 64 as a product of its prime factors. [ 26]

Q1) LCM of 30 and 32. [ 480 ]

Q1) Find the LCM of 15,45 and 10. [ 90 ]

Q2) Write 14 as a product of its prime factors. [ 2 x 7]

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

Q2) Find the LCM of 30,15 and 18. [ 90 ]

Q3) Write 86 as a product of its prime factors. [ 2 x 43]

Q3) Find the HCF of 26 and 39. [ 13 ]

Q3) Find the HCF 54 and 72. [ 18 ]

Q4) Write 27 as a product of its prime factors. [ 33]

Q4) Find the HCF of 22 and 33. [ 11 ]

Q4) HCF of 153,238 and 17. [ 17 ]

Q5) Write 85 as a product of its prime factors. [ 5 x 17]

Q5) LCM of 10 and 26. [ 130 ]

Q5) Find the HCF 266 and 247. [ 19 ]

Q6) Write 87 as a product of its prime factors. [ 3 x 29]

Q6) LCM of 14 and 24. [ 168 ]

Q6) HCF of 160,128 and 32. [ 32 ]

Q7) Write 21 as a product of its prime factors. [ 3 x 7]

Q7) LCM of 18 and 16. [ 144 ]

Q7) Find the HCF 180 and 126. [ 18 ]

Q8) Write 98 as a product of its prime factors. [ 2 x 72]

Q8) LCM of 14 and 40. [ 280 ]

Q8) Find the LCM of 4,90 and 5. [ 180 ]

Q9) Write 26 as a product of its prime factors. [ 2 x 13]

Q9) LCM of 8 and 26. [ 104 ]

Q9) HCF of 114,285 and 19. [ 19 ]

Q10) Write 74 as a product of its prime factors. [ 2 x 37]

Q10) LCM of 38 and 16. [ 304 ]

Q10) Find the HCF 74 and 259. [ 37 ]