Factors:Prime Factors,HCF and LCM

Easy

Medium

Difficult

Q1) Write 10 as a product of its prime factors.
Q1) LCM of 35 and 20
Q1) LCM of 21,14 and 7
Q2) Write 15 as a product of its prime factors.
Q2) HCF 26 and 39
Q2) LCM of 18,15 and 5
Q3) Write 81 as a product of its prime factors.
Q3) LCM of 22 and 4
Q3) HCF 200 and 125
Q4) Write 68 as a product of its prime factors.
Q4) HCF 22 and 33
Q4) HCF of 187,102 and 34
Q5) Write 38 as a product of its prime factors.
Q5) HCF 24 and 36
Q5) HCF 84 and 105
Q6) Write 99 as a product of its prime factors.
Q6) LCM of 18 and 10
Q6) HCF 156 and 208
Q7) Write 49 as a product of its prime factors.
Q7) LCM of 9 and 21
Q7) HCF of 42,231 and 210
Q8) Write 54 as a product of its prime factors.
Q8) LCM of 10 and 15
Q8) HCF of 250,100 and 25
Q9) Write 82 as a product of its prime factors.
Q9) LCM of 14 and 36
Q9) LCM of 20,60 and 18
Q10) Write 74 as a product of its prime factors.
Q10) LCM of 16 and 28
Q10) HCF 294 and 196