allery1, 2, 3 আৰু 5 ৰ ভিতৰত কোনটো আটাইতকৈ সৰু মৌলিক সংখ্যা?
A5
B3
C2
D1
Answer & Solution
Correct answer: C. 2
মৌলিক সংখ্যা 1 তকৈ ডাঙৰ হ'ব লাগিব আৰু 2 ৰ 1 তথা নিজৰ বাহিৰে আন কোনো বিভাজক নাই, গতিকে ই আটাইতকৈ সৰু।
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