the number 15p87 is divisible by 3 where p is a digit find the value of p Share with your friends Share 2 Tejan Gupta answered this Dear student, A number is divisible by 3 if the sum of the digits is divisible by 3. So 1+5+8+7 is equal to 21 which is divisible by 3 so p can be 0, 3 , 6. Regards 3 View Full Answer