HCF and LCM

Find the HCF of 210 and 315 using prime factorization method.

• 30

• 25

• 15

• 20

Calculate the HCF of 462 and 693.

• 28

• 33

• 40

• 22

What is the highest common factor of 77 and 99?

• 11

• 9

• 7

• 13

Determine the HCF of 84 and 96.

• 12

• 16

• 20

• 24

Find the highest common factor of 45 and 63.

• 9

• 15

• 18

• 21

What is the least common multiple of 44 and 66?

• 88

• 132

• 176

• 264

Calculate the LCM of 56 and 98.

• 392

• 784

• 112

• 196

Determine the LCM of 72 and 90.

• 180

• 360

• 450

• 540

Calculate the LCM of 88 and 99.

• 792

• 7920

• 79200

• 792000

Determine the HCF of 68 and 85.

• 17

• 13

• 19

• 23