# Express each of the following numbers as the sum of three odd primes

(a) 21 (b) 31 (c) 53 (d) 61

**Solution:**

We will be using the concepts of odd numbers and prime numbers to solve this.

(a) 21 can be expressed as 3 + 5 + 13 (3, 5 and 13 are odd primes)

(b) 31 can be expressed as 5 + 7 + 19 (5, 7 and 1 are odd primes)

(c) 53 can be expressed as 13 + 17 + 23 (13, 17 and 23 are odd primes)

(d) 61 can be expressed as 11 + 13 + 37 (11, 13 and 37 are odd primes)

NCERT Solutions Class 6 Maths Chapter 2 Exercise 3.2 Question 10

## Express each of the following numbers as the sum of three odd primes. (a) 21 (b) 31 (c) 53 (d) 61

**Summary:**

(a) 21 can be expressed as the sum of 3, 5, and 13 which are are odd primes numbers. (b) 31 can be expressed as the sum of 5, 7, and 19 which are odd prime numbers. (c) 53 can be expressed as the sum of 13, 17, and 23 which are odd prime numbers. (d) 61 can be expressed as the sum of 11, 13, and 37 which are odd prime numbers

**☛ Related Questions:**

- What Is The Sum Of Any Two A Odd Numbers B Even Numbers
- State Whether The Following Statements Are True Or False A The Sum Of Three Odd Numbers Is Even B The Sum Of Two Odd Numbers And One Even Number Is Even C The Product Of Three
- The Numbers 13 And 31 Are Prime Numbers Both These Numbers Have The Same Digits 1 And 3 Find Such Pairs Of Prime Numbers Up To 100
- Write Down Separately The Prime And Composite Numbers Less Than 20

visual curriculum