HCF and LCM

What does LCM stand for

• lowest common number

• lowest core number

• lowest core multiple

• lowest common multiple

Wha does HCF stand for?

• Highest common factor

• Highest core frequency

• Highest common frequency

• Highest core factor

What are all the FACTORS of 24?

• 1, 2, 12, 24

• 1, 2, 8, 24

• 1, 2, 3, 4, 5, 6, 8, 12, 24

• 1, 2, 3, 4, 6, 8, 12, 24

List the first four multiples of 8.

• 1, 2, 4, 8

• 8, 16, 24, 32

• 16, 24, 32, 40

• 2, 4, 6, 8, 10

What is 720 as a product of its prime factors?

• 2⁴ x 3² x 5

• 16 x 3³ x 5

• 2³ x 4² x 3

• 2⁶ x 7

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

Which number has a factor of 16?

• 258

• 112

• 596

• 452

Tags

CCSS.4.OA.B.4

Find the HCF of 32 and 80.

• 8

• 16

• 24

• 32

What is the greatest common factor of 24 and 36?

• 2

• 3

• 12

• 24

Tags

CCSS.6.NS.B.4

There are two positive integers, a and b. Given that their HCF is 15. Which of the followings cannot be their LCM?

• 105

• 225

• 125

• 195

17 is a PRIME NUMBER because it has just ___ factors: ___ and ___.

• 2, 5, 7

• two, itself, 1

• 2, 15, 2

• 2, 8.5, 2