2. By multiplying four numbers, Nina got a result where the units digit is 0. What numbers did she multiply and what result did she get, if the multipliers are consecutive prime numbers?
2. Since the product of prime numbers ends in 0, then among the factors there are 2 and 5. Since the factors are consecutive prime numbers, we have \(2 \cdot 3 \cdot 5 \cdot 7 = 210\).

140