Question

Which is a counterexample to the conjecture? The product of any two consecutive integers is a composite number.


A.
3 • 4 = 12


B.
30 • 31 = 930


C.
1 • 2 = 2


D.
10 • 11 = 110

Answer 1

@rwgww

Answer 2

@jupiter101402

Answer 3

@princed

Answer 4

@Theredman55555

Answer 5

@jane11509

Answer 6

The answer is C because 2 is a number divisible only by itself and by 1 (in other words 2 is a prime number). Each of the other products (A, B, D) is divisible by 1, 2, itself, and by the two