no- 19 is prime which means it has no proper divisors.
Chat with our AI personalities
7654321 is a multiple of 19.
21 is composite.
133 is composite. Its factors are 1 7 19, and 133.
15 is composite number 17, 19 and 23 are prime numbers.
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).