Roman Numerals 1 to 100 and 100 to 1000 An ancient system of writing numbers used by Romans, is called Roman Numerals.  The symbol of 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 in roman numerals are,               Number               Roman Numerals       […]

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Highest Common Factor Definition:   The “Highest Common Factor” (HCF) of two or more numbers is the highest or greatest of their common factors. The HCF of 20, 50, and 30 can also be found by factorization of these numbers as follows, Therefore,                         20 = 2 x 2 x 5   […]

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