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Question

What is the least number that divisible by all the natural numbers from 1 to 10 (both inclusive)?

(a) 100
(b) 1260
(c) 2520
(d) 5040

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Solution

(c) 2520

We have to find the least number that is divisible by all numbers from 1 to 10.
∴ LCM (1 to 10) = 23 × 32 × 5 × 7 = 2520
Thus, 2520 is the least number that is divisible by every element and is equal to the least common multiple.

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