In the number triangle shown, each disc is to be filled with a positive integer. Each disc in the top or middle row contains the number which is the product of the two numbers immediately below. What is the value of n?
A. 1 B. 2 C. 3 D. 6 E. 33
A
The integer n must be a factor of each integer in the middle row. Since 2022 = 2 × 3 × 337, n² must be a factor of their product, so n = 1.
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