Question

Find the greatest number that divide 15,30,45 exactly​

Answer 1

Answer:

LCM of 12, 15, 20 and 35 = 420

Largest four digit number = 9999

On dividing 9999 by 420 we get

remainder = 339

So, largest number of 4 digits exactly divisible by 12, 15, 20 and 35 will be

=9999−339

=9660

Step-by-step explanation:

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