Question

2) Find Lcm & Hcf of 16, 20,35 by using method
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Answer 1

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Find LCM and HCF of 16, 20,35 by using factorization method.

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LCM means Lowest Common Multiple and HCF means Highest Common Factor.

Let's factorise the numbers to get the factors.

2 | 16 | 20 | 35

2 | 8 | 10 | 35

2 | 4 | 5 | 35

2 | 2 | 5 | 35

2 | 2 | 5 | 35

5 | 1 | 1 | 7

7 | 1 | 1 | 1

∴ The factors of 16, 20 and 35 are 2, 2, 2, 2, 2, 5, 7.

LCM = 2 × 2 × 2 × 2 × 2 × 5 × 7

LCM = 560

HCF = 2 × 2

HCF = 4

★ Know more -

• How to find LCM?

⇒ In order to find LCM, first prime factorise the numbers using prime factorisation method. Then multiply all the factors. The answer is your LCM.

• How to find HCF?

⇒  In order to find HCF, first prime factorise the numbers using prime factorisation method. Then multiply all the "common" factors. The answer is your HCF.

Hope this helps uh! ♡

Answer 2

Answer:

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Step-by-step explanation:

• LCM means Lowest Common Multiple and HCF means Highest Common Factor.

• Let's factorise the numbers to get the factors.

2 | 16 | 20 | 35

2 | 8 | 10 | 35

2 | 4 | 5 | 35

2 | 2 | 5 | 35

2 | 2 | 5 | 35

5 | 1 | 1 | 7

7 | 1 | 1 | 1

∴ The factors of 16, 20 and 35 are 2, 2, 2, 2, 2, 5, 7.

LCM = 2 × 2 × 2 × 2 × 2 × 5 × 7

LCM = 560

HCF = 2 × 2

HCF = 4

★ Know more -

• How to find LCM?

⇒ In order to find LCM, first prime factorise the numbers using prime factorisation method. Then multiply all the factors. The answer is your LCM.

• How to find HCF?

⇒ In order to find HCF, first prime factorise the numbers using prime factorisation method. Then multiply all the "common" factors. The answer is your HCF.

Hope this helps uh! ♡