20 = 2 x 2 x 5
3*17 = 51
23*29=667
The prime factors are: 2 x 2 x 5
These are the prime numbers 1-20 2,3,5,7,11,13,17,19
The prime numbers less than 20 are 2, 3, 5, 7, 11, 13, 17, and 19.
no
No.
No.
The prime numbers between 15 and 20 are 17 and 19. 17*19 = 323
17 and 3 are two prime numbers whose sum is 20. Their product is 51.
2 x 2 x 5 = 20
All the prime numbers less than 20 are 2,3,5,7,11,13,17,19
3*17 = 51
38
20 10 5
23*29=667
23 x 29 = 667