Question
What is the highest common factor of 120 and 1800?
Solution
ATQ,
Prime factors of 120 = 2 × 2 × 2 × 3 × 5
Prime factors of 1800 = 2 × 2 × 2 × 3 × 3 × 5 × 5
HCF = 2 × 2 × 2 × 3 × 5 = 120
More HCF and LCM Questions
- If the average age of "Ava," "Bella," and "Cara" is 30 years, and the ratio of their ages is 5:7:3, what is the age of "Cara"?
- The greatest number of four digits which when divided by 5, 7, 9 leave remainders 3, 5, 7 respectively is:
- The LCM and the HCF of the numbers 42 and 63 are in the ratio:
- What will be the greatest common divisor (GCD) of (x² - 12x + 35) and (x² - 9x + 14).
- What will be the greatest common divisor (GCD) of (x² - 8x + 15) and (x² - 11x + 30).
- If there is a loss of 20% on selling the article at 16/27 of the original selling price then what will be the percentage profit after selling the article a...
- If the product of two numbers is 252 and their HCF is 9, determine their LCM.
- What will be the greatest common divisor (GCD) of (x² - 13x + 40) and (x² - 10x + 25).
- The HCF of two numbers is 8. Which of the following can never be their LCM?
- The Least Common Multiple (LCM) of two numbers is 15 times their Highest Common Factor (HCF). The product of these two numbers is 15,360. What is the maxim...
