2023 AMC 10 B

Complete problem set with solutions and individual problem pages

Problem 15 Easy

What is the least positive integer m such that m·2!·3!·4!·5!\cdots 16! is a perfect square? (2023 AMC10B Q15)

  • A.

    30

  • B.

    30030

  • C.

    70

  • D.

    1430

  • E.

    1001

Answer:C