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
How can you get more power out of a cummins?
What are texture cues?
What do you call the jeux Olympics?
Why did the Truman Eisenhower and Kennedy administrations allow the mess in Vietnam to fester?
Identify three examples of syncretism in the development of Christianity and Hinduism?
How far is it from Norwich to Aberdeen?
Why is my cat digging on my bed?
What is the time flight time from Hong Kong to maldives?
You feel hot sick had period for 6 weeks hurts to wee what's wrong with you?
What is the objective of the game that involves a wooden board and marbles?
What does the no smoking sign on an airplane mean?
Who were the gerber baby models?
What is the white snake with blue eyes called?
How do you use magic?
How long does it take to get from Atlanta Georgia to San Antonio Texas?
what about bowel care?
Ncert plus two model question papers?
What is Bradley branning real name?
What are facts about Lance Mackey's life?
What are the benefits of having a savings account?
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.