Question

write down separately the prime and composite numbers less than 20​

Answer 1

Answer:

prime number = 2,3,5,7,11,13,17,19

composite number =4,6,8,9,10,12,14,15,16,18,20

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Answer 2

Answer:

2,3,5,7,9,11,13,17,19

Step-by-step explanation: