Question

find the lcm of 16,
40 ,56

Answer 1

16 = 2*2*2*2
40 = 2*2*2*5
56 = 2*2*2*7
LCM = 2*2*2*2*5*7 = 560
HCF = 2*2*2 = 8

Answer 2

LCM of 16 , 40 , 56 is 560

Given :

The numbers 16 , 40 , 56

To find :

LCM of 16 , 40 , 56

Concept :

LCM :

For the given two or more numbers LCM is the least number which is exactly divisible by each of the given numbers

Solution :

Step 1 of 3 :

Write down the given numbers

Here the given numbers are 16 , 40 , 56

Step 2 of 3 :

Prime factorise the numbers

16 = 2 × 2 × 2 × 2

40 = 2 × 2 × 2 × 5

56 = 2 × 2 × 2 × 7

Step 3 of 3 :

Find the LCM

We know that for the given two or more numbers LCM is the least number which is exactly divisible by each of the given numbers

Hence the required LCM

= The LCM of 16 , 40 , 56

= 2 × 2 × 2 × 2 × 5 × 7

= 560

━━━━━━━━━━━━━━━━

Learn more from Brainly :-

$1.$ If HCF of two numbers be 40 then which of the following cannot be their LCM.

https://brainly.in/question/28609013

2. The HCF and LCM of two numbers are 17 & 1666 respectively. if one of the numbers is 119 find the other

https://brainly.in/question/13812250

#SPJ3