Factors:Prime Factors,HCF and LCM

Easy

Medium

Difficult

Q1) Write 42 as a product of its prime factors.
Q1) LCM of 38 and 18
Q1) HCF 217 and 155
Q2) Write 56 as a product of its prime factors.
Q2) LCM of 12 and 16
Q2) HCF of 234,130 and 52
Q3) Write 60 as a product of its prime factors.
Q3) HCF 22 and 33
Q3) HCF of 51,204 and 85
Q4) Write 69 as a product of its prime factors.
Q4) LCM of 39 and 18
Q4) LCM of 28,10 and 5
Q5) Write 9 as a product of its prime factors.
Q5) LCM of 40 and 6
Q5) HCF 272 and 289
Q6) Write 12 as a product of its prime factors.
Q6) HCF 26 and 39
Q6) HCF of 58,145 and 29
Q7) Write 78 as a product of its prime factors.
Q7) LCM of 38 and 28
Q7) HCF of 252,72 and 18
Q8) Write 4 as a product of its prime factors.
Q8) LCM of 24 and 21
Q8) HCF of 54,126 and 36
Q9) Write 72 as a product of its prime factors.
Q9) LCM of 16 and 14
Q9) HCF of 255,289 and 17
Q10) Write 45 as a product of its prime factors.
Q10) LCM of 36 and 27
Q10) LCM of 29,87 and 6