Express 15 as the sum of three odd prime numbers?
Prime Numbers:The numbers which have only two factors 1 and itself are called Prime Numbers.
15=3+5+7
So 15 can be expressed as sum of 3,5and7
Express each of the following numbers as the sum of three odd primes:
(a) 21 (b) 31 (c) 53 (d) 61
Question 10 (a)
Express the given number as the sum of three odd primes: 21