Express each of the following numbers as the sum of three odd primes: (a) 21 (b) 31 (c) 53 (d) 61 Share with your friends Share 6 Gopal Mohanty answered this (a) 21 = 3 + 7 + 11 (b) 31 = 5 + 7 + 19 (c) 53 = 3 + 19 + 31 (d) 61 = 11 + 19 + 31 12 View Full Answer