LCM and HCF of Three Numbers

Find the HCF for 18, 36, and 81

• 3

• 2

• 6

• 9

what are the first 5 prime numbers in ascending order?

• 2,3,4,5,11

• 1,2,3,5,11

• 2,3,5,7,11

• 2,3,11,7,5

Name the 5th prime number.

• 2

• 11

• 5

• 7

Which is the only prime number that is even?

• 14

• 22

• 17

• 2

Find the HCF of 12, 18, and 24.

Find the LCM of 8, 10, and 15.

Find the HCF of 144, 198 and 162

Find the highest common factor of 8, 18 and 26

Find LCM of 12, 24, 30 using Prime Factorization Method?