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Find the lcm and hcf of no 25 and 120​

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Find the prime factorization of 25
25 = 5 × 5

 

Find the prime factorization of 120
120 = 2 × 2 × 2 × 3 × 5

 

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 2 × 2 × 2 × 3 × 5 × 5

 

LCM = 600

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Deependra Verma

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