Prime numbers between the given numbers are 23 and 29
The prime factors of 20 are: 2 and 5.
13, 17, and 19
Any multiple of 20 includes the prime factors of 20.
The prime factors of 20 are 2, 2, and 5.
There are no common factors between these values since 11 is prime and 20 is composite. Then, there are no common prime factors between these values.
Prime numbers between the given numbers are 23 and 29
The prime factors of 20 are: 2 and 5.
23 and 29 are prime.
Just 13
13, 17, and 19
Any multiple of 20 includes the prime factors of 20.
The prime factors of 20 are 2, 2, and 5.
28
For a number to have [only] 2 factors, it must be a prime number; the prime numbers between 0 and 20 are; 2, 3, 5, 7, 11, 13, 17, 19
The prime factors of 20 are 2 and 5. The prime factors of 30 are 2, 3 and 5.
Factors for 20 are: 1, 2, 4, 5, 10, 20 Prime Factors: 2, 5 sum of prime factors = 2 + 5 = 7