HCF & LCM

What is a factor?

• a number or quantity that when multiplied with another produces a given number or expression.

• a number that can be divided by another number without a remainder.

• A Number

• A number experssiona to solve a multiplication problem

  SHOW ANSWER

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

Find the HCF of 30 and 36

• 2
• 3
• 4
• 6

Tags

CCSS.6.NS.B.4

Find the HCF of 25 and 35

• 10
• 5
• 7
• 1

Tags

CCSS.6.NS.B.4

List the first four multiples of 8.

• 1, 2, 4, 8

• 8, 16, 24, 32

• 16, 24, 32, 40

• 2, 4, 6, 8, 10

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

• 2, 5, 7

• two, itself, 1

• 2, 15, 2

• 2, 8.5, 2

Tags

CCSS.4.OA.B.4

Which of these statements is true?

• All numbers have 4 factors.

• 2 is a factor of every number.

• 1 is a factor of every number.

• All odd numbers have an odd number of factors.

What is the LCM of 4 and 12? 

• 4
• 8
• 12
• 16

Tags

CCSS.6.NS.B.4

Find the LCM of 12 and 16...

• 48

• 36

• 64

• 96

Tags

CCSS.6.NS.B.4

What is the LCM of 2,4,6

• 4

• 6

• 2

• 12