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2020 AMC 10B Problem 4

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2020 AMC 10B Problem 4AMC 10 Step by Step
Name:                             Date: September 13, 2026
Primes · difficulty 1 of 5 · about 2 min · position P1-10

The acute angles of a right triangle are a∘a^{\circ} and b∘b^{\circ} , where a>ba>b and both aa and bb are prime numbers. What is the least possible value of bb ?

  1. A)

    22

  2. B)

    33

  3. C)

    55

  4. D)

    77

  5. E)

    1111

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