Question

Find the HCF and Lcm of
45, 70,25 and also check Answer.​

Answer 1

Step-by-step explanation:

Step by Step Solution

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Least Common Multiple is :

3150

Calculate Least Common Multiple for :

45, 70 and 25

Factorize of the above numbers :

45 = 32 • 5

70 = 2 • 5 • 7

25 = 52

Build a prime factors table

Number of times each prime factor

appears in the factorization of :

Prime

Factor Number

45 Number

70 Number

25 L.C.M

(max)

2 0 1 0 1

3 2 0 0 2

5 1 1 2 2

7 0 1 0 1

LCM = 2 • 32 • 52 • 7

Least Common Multiple is :

3150.....

Answer 2

Step-by-step explanation:

45 = 32 • 5 

    70 = 2 • 5 • 7 

    25 = 52 

HCF IS 5

LCM IS 3120