The smallest prime number is______ The smallest sum is______ The product of them is______ ．

The smallest prime number is______ The smallest sum is______ The product of them is______ ．

The smallest prime number is 2, the smallest composite number is 4; their product: 2 × 4 = 8, so the answer is: 2, 4.8

1. If two prime numbers are multiplied, the product must be (). A prime number B odd number C composite number

C-sum

Must the product of two composite numbers be prime?

It must not be!
Let X and y be composite numbers
x*y=z
Because x, y is not equal to 1
So Z must not be prime, it must be composite