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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 9 of 13

Q81.
The prime factorization of 7007 is __________
Discuss
Answer: (b).7².11.13
Q82.
Out of following which one is Mersenne Primes?
Discuss
Answer: (c).2047
Q83.
Out of the following which of these integers is not prime?
Discuss
Answer: (b).35
Q84.
The prime factorization of 1001 is __________
Discuss
Answer: (c).7.11.13
Q85.
Which positive integer less than 21 are relatively prime to 21?
Discuss
Answer: (b).19
Q86.
Is 7, 8, 9, 11 are pairwise relatively prime.
Discuss
Answer: (a).True
Q87.
The greatest common divisor of 3¹³.5¹⁷ and 2¹².3⁵ is __________
Discuss
Answer: (d).3⁵
Q88.
The greatest common divisor of 0 and 5 is ___________

a.

0

b.

1

c.

2

d.

5

Discuss
Answer: (b).1
Q89.
The lcm of 3 and 21 is ________ if gcd(3,21)=3.
Discuss
Answer: (c).21
Q90.
The least common multiple of 41.42 and 42.41 is ____________
Discuss
Answer: (d).41.42

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