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Which of the following is a prime number?
A. 81
B. 51
C. 91
D. 331

2 Answers

4 votes

Answer:

D. 331

Explanation:

i did it on t4l

User Kudos
by
6.4k points
1 vote

Answer:

D. 331

Explanation:

There are only two numbers that can be multiplied together to get 331.

1 · 331 or 331 · 1

User Prashant Kankhara
by
6.3k points