0
The number 1 is neither prime nor composite. The numbers 25, 16, 21, and 27 are divisible by factors that are not one or the number itself. 19 is the only one that has only 1 and itself as factors, so it is a Prime number.
What else can I help you with?
Related Questions
Which is a prime number 16 21 19 18?
19 is prime.
What is the prime number of 16 27 13 19 21?
They are 13 and 19 which are prime numbers
Is 23 21 19 prime or composite?
19 is a prime number. Its only factors are 1 and 19. 21 is a composite number. Its factors are 1, 3, 7, and 21. 23 is a prime number. Its only factors are 1 and 23.
Which of these numbers are prime 13 16 19 21?
13 and 19.
Which one is a prime number 19 21 or 23?
19 and 23 are prime.
Which are prime numbers out of 16 27 13 19 and 21?
They are 13 and 19
What are prime numbers 16 27 13 19 21?
13,19.
Which number is a prime number 7 16 21 28 93?
7 is prime.
What is the largest prime number less than 21?
19
Which is not a prime number 17 19 or 21?
21 isn't because 7*3=21.
Which number is prime 9 19 21 25?
3 x 3 = 9 (Not a prime ; Composite) 1 x 19 = 19 ( Prime) 3 x 7 = 21 (Note a prime: Composite) 5 x 5 = 25 (Not a prime ; Composite).
Is 10 19 21 62 composite numbers?
19 is prime number. 10, 21 and 62 are composite numbers.
Trending Questions
What is the habitat of a quarter horse?
What is 0.140625 as a fraction?
What does the ditloid BTS 1 mean?
How much does a Saab weight?
What are the roblox gear codes?
What does 85 quid convert to in American dollars?
How does the external macro-environment impact on the business Rio Tinto?
What happens when you add water to cabbage juice?
Is 0.9 larger than 0.33?
How many feet are there in 31 meters?
Are Whitewing and Birchfall's kits really Ashfur's?
Why do people feel sleepy while reading?
How do you overcome homosexuality?
Was janice in coronation street fizs mum?
Are the Bahammas a country?
What year was the first commercial transatlantic passenger flight?
How do you say the word lemon in Polish?
What did Elie witness while he was standing in line?
What happens when there is a drought?
Heater blower motor not working?
Copyright ©2026 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.