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Welcome to the Number Theory and Cryptography MCQs Page

Dive deep into the fascinating world of Number Theory and Cryptography with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Number Theory and Cryptography, a crucial aspect of Discrete Mathematics. In this section, you will encounter a diverse range of MCQs that cover various aspects of Number Theory and Cryptography, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Discrete Mathematics.

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Check out the MCQs below to embark on an enriching journey through Number Theory and Cryptography. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Discrete Mathematics.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Number Theory and Cryptography. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Number Theory and Cryptography MCQs | Page 4 of 13

Discuss
Answer: (b).It is the greatest integer divisor of both a and b
Q32.
The HCF of two number 1, b(integer) are _________
Discuss
Answer: (b).1
Q33.
If a,b are integers such that a > b then hcf(a, b) lies in _________
Discuss
Answer: (b).a>b> = hcf(a, b)
Q34.
HCF of 6, 10 is?
Discuss
Answer: (d).2
Q35.
The product of two numbers are 12 and there LCM is 6 then HCF is?
Discuss
Answer: (b).2
Q36.
If LCM of two number is 10 and GCD is 5 then the product of two numbers is?
Discuss
Answer: (b).50
Q37.
If a number is 2² x 3¹ x 5⁰ and b is 2² x 3¹ x 5¹ then hcf of a, b is?
Discuss
Answer: (c).2¹ x 3¹ x 5⁰
Q38.
State whether the given statement is True or False.

HCF (a, b, c, d) = HCF(a,(HCF(b,(HCF(c, d)))).
Discuss
Answer: (a).True
Discuss
Answer: (a).ab/(LCM(a, b))
Q40.
The HCF of two prime numbers a and b is _________
Discuss
Answer: (d).1
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