HCF and LCM (4-6)

Highest Common Factor is also known as​ (a)  

• Greatest Common Divisor
• Greatest Common Divident

LCM is also known as​ (a)  

• Least Common Multiple
• Lowest common Multiplication
• Least Commando Multiplier

____ is the common factor of all the numbers from 2 to 10.

Tags

CCSS.4.OA.B.4

HCF of any two prime numbers will always be ​ (a)  

• 1
• 2
• 0
• 4

Tags

CCSS.4.OA.B.4

The HCF of 12, 18, and 21 is 3.

• True

• False

What is the LCM of 3 and 7?

• 21

• 28

• 48

• 12

What is the first multiple of 55.

The L.C.M of 7, 14 and 24 is 154.

• True

• False

Find the L.C.M of 24 and 15.

Harry plays violin on the 4th day, he plays guitar on the 6th day. On which day does he play both

the instruments?

• 12

• 14