Write all the prime numbers less than 10.
Prime numbers less than 10 :
Prime number are natural number having only two factors, one and the number itself.
Now, prime numbers less than 10 are,
2,3,5,7
Thus, prime numbers less than 10 are 2,3,5,7.
Write all the prime numbers less than 50?
Write downseparately the prime and composite numbers less than 20.