allery16, 72 और 28 का महत्तम समापवर्तक (HCF) क्या है?
A3
B4
C2
D1
Answer & Solution
Correct answer: B. 4
16 = 2^4, 72 = 2^3 x 3^2, 28 = 2^2 x 7। उभयनिष्ठ अभाज्य गुणनखंड 2 की न्यूनतम घात 2^2 = 4 है। अतः HCF = 4।
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