What are prime numbers, composite numbers, odd numbers and even numbers in 1.2.3.7.18.47.53.78?
Prime numbers 2,3,7,47,53,
Total 18,78
Odd 1,3,7,47,53
Even 2,18,78
Prime numbers 2,3,7,47,53,
Total 18,78
Odd 1,3,7,47,53
Even 2,18,78