51 + 29 = 80
Two of the factors of 80 are prime numbers: 2 and 5.
1+2+3+5+11+17+41 = 80
82
Two: 83 and 89.
prime numbers between 50 and 80 = 53,59,61,67 ,71,73,79
They can be: 73+7 = 80
Two of the factors of 80 are prime numbers: 2 and 5.
73, 5 and 2
2 and 5.
Two.
The prime numbers (factors) of 80 are: 2 and 5
1+2+3+5+11+17+41 = 80
82
There are two prime numbers between 60 and 80: 61 and 67. Both numbers are divisible only by 1 and themselves and do not have any other factors.
77 and 79 are two..
-1
80