-20 is less than 19.
Chat with our AI personalities
It is 19 which is a prime number
The odd primes less than 20 are: 3 5 7 11 13 17 19
The greatest prime number less than 20 is 19. Not sure what "then twice" is unless you are wanting to double it, which becomes 38.
19/20 = 95/100 = .95.19 over 20 as a decimal is 0.95
19/20 = 95%.