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 do you do the special moves on tenchu wrath of heaven?
On se connait?
What is the population of Altavilla Milicia?
How can you use abecedarian in a sentence?
Dr Carmen C Velasquez?
What website has a pug licking a screen?
Bakit ang wikang filipino mula baler hanggang buong pilipinas ang ating tema ngatong buwn ng wika?
What is the base engine size of the 2009 Hyundai Sonata?
What is the difference in appearance of wild turkey eggs from domestic turkey eggs?
Igi 2 Launching pad Object 4?
What is the routing number for Bank of America in Oregon?
When was Pauline Newman born?
Is Six Flags open for September?
What is ben and jerrys ice cream slogan slogan?
What is the Spanish word for the slang word 'cum'?
What is an Intel core duo CPU T2450 processor?
What is the dark organic material that forms in soil as plant and animal matter decays?
Hamsters called Panda hamsters?
Who uses PCC code WH61V?
Are plants mobile or stationary?
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.