Question

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

Answer 1

a) 3 + 13 + 5 = 21 

b) 1 + 13 + 17 = 31

c) 17 + 17 +19 =53

d) 13 + 7 + 41 =61

these are the answer..........

the numbers which has 1 and itself as factors are called prime numbers .

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ANSWER

Answer 2

Answer:

1. 21=11+7+3
2. 31=7+19+5
3. 53=43+7+3
4. 61=27+23+11

Step-by-step explanation:

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