Question

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

Answer 1

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Answer 2

Answer:

Prime numbers--2,3,5,7,11,13,17,19

Composite numbers--4,6,8,9,10,12,14,15,16,18,19

Step-by-step explanation:

Prime numbers= The numbers which can only divided by 1 or itself are called prime numbers.

Lets take 3 as example--

3 can be divided only by 1 and 3(itself)

3 divide by 1=3, 3 divide by 3=1,

3 divide by 7=not possible!

Composite numbers can be divided by numbers other than 1 or itself

Lets take 12 as example--

12 divide by 2=6

12 divide by 4=3

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