Question

Find the largest four digit square number which is divisible by 8, 15, 20, 25.​

Answer 1

Answer:

The greatest number of four digits which is divisible by 15 20 and 25 is 9900.

Step-by-step explanation:

The greatest number of four digit is 9999.

The factors of given numbers are

The LCM of 15, 20 and 25 is

The L.C.M. of given numbers is 300. It means greatest number of four digits which is divisible by 15 20 and 25 must be divisible by 300.

Divide 9999 by 300.

The quotient is 33 and reminder is 99.

Therefore the greatest number of four digits which is divisible by 15 20 and 25 is 9900.

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