Explain why (11*23+11*23*28) is a composite number. Share with your friends Share 0 Debmallya Chakraborty answered this This is because it is divisible by 2 , 4 , 6 , 8 ... -3 View Full Answer Yaseen answered this 11*23+11*23*28 = 11*23*[28+1] =11*23*29 As this no. is divisible by 11,23&29 it is a composite no. 1
