Question

find the smallest number which when divided by 14 and 21 leaves no remainder​

Answer 1

To find the smallest number which when divided by 14 and 21 leaves no remainder , we have to do the LCM of given to numbers.

14 = 2 × 7

21 = 3 × 7

LCM( 14,21) = 2 × 3 × 7

= 42

Verification:

$42 \div 14 = 3$

$42 \div 21 = 2$

Therefore.,

The smallest number which when divided by 14 and 21 leaves no remainder is 42 .

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Answer 2

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