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 5 prime numbers from 60 to 80:61, 67, 71, 73 and 79
77 and 79 are two..
-1
80