Question

solve it
find Lcm of 455 and 42​

Answer 1

Steps to find LCM

i)Find the prime factorization of 42

42 = 2 × 3 × 7

ii)Find the prime factorization of 455

455 = 5 × 7 × 13

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

iv)LCM = 2 × 3 × 5 × 7 × 13

v)LCM = 2730

Answer 2

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