Q. The integer 561 is a Carmichael number.

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Q. The linear combination of gcd(117, 213) = 3 can be written as _________

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Q. The inverse of 7 modulo 26 is?

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Q. The inverse of 19 modulo 141 is?

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Q. The integer 2821 is a Carmichael number.

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Q. The solution of the linear congruence 4x = 5(mod 9) is?

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Q. The linear combination of gcd(10, 11) = 1 can be written as _________

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Q. The value of 5²⁰⁰³ mod 7 is?

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Q. The prime factorization of 7007 is __________

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Q. Out of following which one is Mersenne Primes?

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Q. Out of the following which of these integers is not prime?

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Q. The prime factorization of 1001 is __________

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Q. Which positive integer less than 21 are relatively prime to 21?

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Q. Is 7, 8, 9, 11 are pairwise relatively prime.

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Q. The greatest common divisor of 3¹³.5¹⁷ and 2¹².3⁵ is __________

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Q. The greatest common divisor of 0 and 5 is ___________

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Q. The lcm of 3 and 21 is ________ if gcd(3,21)=3.

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Q. The least common multiple of 41.42 and 42.41 is ____________

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Q. If the multiplicative inverse of “53 modulo 21” exists, then which of the following is true?

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Q. A multiplicative monoid defines the property of exponentiation with ________

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