Prime factorization in Roman Numerals

Express 42 as product of its prime factors.

(Type one space between each character)

(a)  

Express 75 as product of its prime factors.

(Type one space between each character)

(a)  

Prime factorization of LXVII =

(a)  

Prime factorization of 49 =

• 2 x 7

• 7 x 7

• 2 x 5 x 7

• 2 x 7 x 7

Prime factorization of LIV =

(Give your answer in Hindu-Arabic numerals only. Put one space between each character)

(a)  

Prime factorization of LXXII =

• 2 x 3 × 5

• 3 x 3 x 5 x 5

• 2 x 2 x 3 x 3 x 5

• 2 x 2 x 2 x 3 x 3

Prime factorization of XLVII =

• 49

• 47

• 7 x 7

• 2 × 3 × 7

Which of these is a composite number?

• XVII

• XXIII

• XV

• VII

Which of these is a prime number?

• LVI

• XXIX

• XLIX

• LXIII

Prime factorization of 97 =

(Give your answer in Roman numerals only)

(a)