olymmath

AMC 8 2023 Problem 4

  • Paper

The numbers from 11 to 4949 are arranged in a spiral pattern on a square grid, beginning at the center. The first few numbers have been entered into the grid below. Consider the four numbers that will appear in the shaded squares, on the same diagonal as the number 7.7. How many of these four numbers are prime?

11 22 33 44 55 66 77

(A) 0(B) 1(C) 2(D) 3(E) 4\textbf{(A) } 0 \textbf{(B) } 1 \textbf{(C) } 2 \textbf{(D) } 3 \textbf{(E) } 4

Dataset text AI-MO AoPS. Quoted with source.

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