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2022 AMC 10B Problem 6

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2022 AMC 10B Problem 6AMC 10 Step by Step
Name:                             Date: September 13, 2026
Primes · difficulty 2 of 5 · about 3 min · position P1-10

How many of the first ten numbers of the sequence 121,11211,1112111,…121, 11211, 1112111, \ldots are prime numbers?

  1. A)

    00

  2. B)

    11

  3. C)

    22

  4. D)

    33

  5. E)

    44

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