3 years ago

Find an odd natural numbers x such that LCM (x, 40) = 1400

Mathematics

1 answer:

vesna_86 [32]3 years ago

5 0

Answer:

Let x be odd such that LCM {x,40} = 1400 .

Since 1400 = 23×52×7 , then

x ∈ {5m×7n∣(m,n) ∈ {0,1,2}×{0,1}} .

By testing these values, we find that x = 175 .

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Find an odd natural numbers x such that LCM (x, 40) = 1400​

Find an odd natural numbers x such that LCM (x, 40) = 1400