Question

Find the largest number of four digits exactly divisible by 12 ,15,18and 27.

Answer 1

Answer:

First find the factors which the number must have in order to be divisible by 18,27,12,15.

18=3×3×2

27=3×3×3

12=2×2×3

15=3×5

Taking the maximum multiple of all the prime numbers.

27,4,5.

Therefore the number must be a multiple of 340.

The largest four digit multiple of 340 is 9860.

ANSWER= 9860.

Step-by-step explanation:

Answer 2

For short answer direct find the H.C.F of 12,15,18 and 27...