Mastering Roman Numerals and Factors

Convert the number 58 to Roman numerals.

• LVIII

• LIV

• LXX

• XLVIII

What is the highest common factor (HCF) of 24 and 36?

• 6

• 24

• 12

• 18

Calculate the lowest common multiple (LCM) of 4 and 5.

• 25

• 20

• 12

• 15

Convert the number 99 to Roman numerals.

• XCIX

• LXXXIX

• XCIV

• CIX

What is the HCF of 15 and 25?

• 5

• 25

• 15

• 10

Find the LCM of 6 and 8.

• 12

• 24

• 30

• 18

Convert the number 42 to Roman numerals.

• XLI

• LII

• XLIII

• XLII

What is the highest common factor of 18 and 27?

• 6

• 12

• 9

• 18

Calculate the lowest common multiple of 3 and 7.

• 28

• 21

• 14

• 21.5

Convert the number 77 to Roman numerals.

• LXXI

• LXXXVII

• LXXVII

• LXXV