HCF,LCM,prime numbers

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

Find the LCM of 12 and 16...

• 48

• 36

• 64

• 96

Tags

CCSS.6.NS.B.4

Find the HCF of 12 and 16...

• 2

• 4

• 6

• 8

Tags

CCSS.6.NS.B.4

Which of these numbers is not prime?

• 17

• 25

• 23

• 37

Tags

CCSS.4.OA.B.4

Which of the following numbers is not composite?

• 24

• 40

• 66

• 61

Tags

CCSS.4.OA.B.4

Name the 5th prime number.

• 2

• 11

• 5

• 7

Which is the only prime number that is even?

• 14

• 22

• 17

• 2

Number 27 is both ...

• even and composite

• odd and composite and a cube number

• even and prime

• odd and prime

Prime numbers are divisible by one or itself only

• True

• False

What are the factors of 11

• 11,22,33

• 1,2,4,11

• 1,11

• 2,11