Track / Stage 4 / 27 of 340 #287 of 1964

Problem 287

AMC 12 late, AIME early

Number theory Difficulty 4.6 Find the answer

45. Among the numbers $2019, 2021, 2023$ , the number of prime numbers is $\qquad$ .

Your answer

A number or a short expression. Spacing, $ signs and \frac vs / are all fine.

Official solution

Answer: 1

Source: NuminaMath-1.5, licensed Apache-2.0. Statement and solution reproduced as published; topic, difficulty and ordering added by this site.