Number Theory

🔗 HCF & LCM — Practice Questions

20 Questions

Page 1 of 4

🟢 1

The HCF of two numbers is 2 and their LCM is 6. If one of the numbers is 2, find the other number.

🟡 2

Find the LCM of 5, 7, and 3.

🔴 3

Find the LCM of 32 and 75.

🟢 4

Find the HCF of 14 and 19.

🟡 5

Find the greatest number which divides 86 and 61, leaving remainders 6 and 5 respectively.