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Break it down into two factors. According to the definition of prime numbers, one would be $1$ and the other would be the prime number.
সকল পূর্ণসংখ্যা $n$ এর যোগফল নির্ণয় কর যেন $$9.3^n-36n+4n^2-n.3^n$$ একটি মৌলিক সংখ্যা হয়।
Break it down into two factors. According to the definition of prime numbers, one would be $1$ and the other would be the prime number.