They are: 13+7 = 20
20 = 2 x 2 x 5
The question does not make sense since 20 and 30 are not prime numbers!
2 x 2 x 5 = 20
The prime factors of 20 are 2x2x5.
The prime numbers of 20 are 2, 2 and 5. (2*2*5 = 20)
2 x 2 x 5 = 20
These are the prime numbers 1-20 2,3,5,7,11,13,17,19
20 = 2 x 2 x 5
20 = 2 x 2 x 5
No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.
The question does not make sense since 20 and 30 are not prime numbers!
2/5 of the numbers from 1 to 20 are prime numbers
2 x 2 x 5 = 20
The prime factors of 20 are 2x2x5.
10 and 20 are composite numbers, not prime numbers. The prime factorization of 10 is 2 x 5. The prime factorization of 20 is 2 x 2 x 5.
The prime numbers of 20 are 2, 2 and 5. (2*2*5 = 20)
The only even prime number is 2. It happens twice in the prime factorization of 20.