Question

write all the composite number between 21 and 50 ​

Answer 1

Answer:

21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50

Step-by-step explanation:

hope this helps you

Answer 2

Answer:

23, 29, 31, 37, 41, 43, 47

Step-by-step explanation:

All numbers between 21 to 50 are: 21, 22, 23 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 49, 50.

By using Eratosthenes Sieve of finding Prime Numbers:

we get that 23, 29, 31, 37, 41, 43, 47 are not crossed.

So, 23, 29, 31, 37, 41, 43, 47 are the prime numbers between 21 and 50.

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