91Ó°ÊÓ

Tell whether the number is prime or composite.

19

Find the GCF. Also, Find whether the numbers are relatively prime or not : $28,84$

Tell whether the number is prime or composite.

121

Find the greatest common factors of the monomials.
$16x,36x$

Find the greatest common factors of the monomials.

$18m^2,7m$

Tell whether the number is prime or composite.

51

Write all the factors of the number.

45

Write the mixed number as an improper fraction. $6\frac{2}{5}$

Write two fractions that are equivalent to the given fraction.

$\frac{12}{20}$

Write all the factors of the number.