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If n is a positive integer and n2 is divisible by 72, then what is the largest positive integer that must be a factor of n?

If n is a positive integer and n2 is divisible by 72, then what is the largest positive integer that must be a factor of n? Correct Answer 12

Hintsh n2 এর মান 72 এর গুনিতক হবে। n2 এর মান হতে পারে : 72, 144, 216 প্রভৃতি এখানে, 144 একটি পূর্ববর্গ সংখ্যা যার বর্গমূল 12। 12 ই নির্ণেয় সংখ্য

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