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chapter 3 Finding Common Ground - Part 1

Which of these is a prime number?

Type: MCQ • Marks: 1
Which of these is a prime number?
Options
A. 27
B. 15
C. 21
D. 17
Explanation
17 has only two factors, 1 and 17, so it is prime.
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Class 7th Ganita Prakash 2

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