11, 13, 17, 19, 23, 29, 31, 37, and 41.
The prime numbers between 42 and 78 are 43, 47, 53, 59, 61, 67, 71, and 73.
Add them up. 11 13 17 19 23 29 31 37 41
210
43 and 47.
2 and 7 are prime numbers less than 10 that are factors of 42 and 70.
The prime factors of 42 are: 2,3,7
The prime numbers (factors) of 42 are: 2,3,7
30 and 42
23 and 19 are both prime numbers and they add up to 42.
23, 29, 31, 37, 41
42 and 48
23 29 31 37 41