5 Questions
What is the highest common factor of 20 and 30?
$10$
What is the lowest common multiple of 5 and 7?
$35$
What is the highest common factor of 14 and 12?
$2$
What is the lowest common multiple of 6 and 10?
$30$
What is the HCF of 60 and 72 after prime factorization?
$12$
Test your understanding of the highest common factor (HCF) and lowest common multiple (LCM) of a pair of numbers with this quiz. Practice finding HCF and LCM through example questions and check your answers.
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