Find out whether the given pair of numbers are co-prime or not.

$(57,84)$

Find out whether the given pair of numbers are co-prime or not.

$(67,97)$

Find out whether the given pair of numbers are co-prime or not.

$(47,68)$

Find out whether the given pair of numbers are co-prime or not.

$(29,83)$

Find out whether the given pair of numbers are twin prime numbers or not.

$(5,7)$

Find out whether the given pair of numbers are twin prime numbers or not.

$(37,47)$

Find out whether the given pair of numbers are twin prime numbers or not.

$(71,73)$

Find out whether the given pair of numbers are twin prime numbers or not.

$(79,83)$

Find out whether the given pair of numbers are twin prime numbers or not.

$(43,53)$