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How many prime numbers ( মৌলিক সংখ্যা ) ‍are there from 1 to 10?

How many prime numbers ( মৌলিক সংখ্যা ) ‍are there from 1 to 10? Correct Answer 4

গণিতের পরিভাষায় মৌলিক সংখ্যা (অথবা মৌলিক) হল এমন স্বাভাবিক সংখ্যা যার কেবলমাত্র দুটো পৃথক উৎপাদক আছে: ১ এবং ঐ সংখ্যাটি নিজে। ১ এর চেয়ে বড় যে সকল সংখ্যা মৌলিক না তাদেরকে যৌগিক সংখ্যা বলে। অর্থাৎ যে সংখ্যাকে অন্য কোন সংখ্যা দ্বারা ভাগ করা যায় না, তাকে মৌলিক সংখ্যা বলে।1 থেকে 10 পর্যন্ত মৌলিক সংখ্যা 4 টি যথা- ২, ৩, ৫, ৭

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