Practice HCF and LCM Questions and Answers

• What is the greatest number which divides 18, 29, and 40 and gives the remainder as 2, 3, and 4 respectively?
• The LCM of x and y is 2057 and their HCF is 23. If x = 187, what will be the value of y?
• Find the HCF of 245, 350 and 385.
• Calculate the Least Common Multiple (LCM) of the two highest prime numbers under 10.
• A baker has four different varieties of cookies in quantities of 540, 720, 810, and 630. He wishes to pack these cookies such that each box holds cookies o...
• How many factors does the number 675 have in total?
• Two positive integers multiply to 5070, with their highest common factor being 13 and their sum amounting to 143. What is the difference between these two ...
• 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...
• The HCF of two 3 digit numbers is 17, and their LCM is 1224. Calculate the difference between the two numbers.
• The LCM of two numbers is 720. The HCF of these numbers is 12. If one of the numbers is 48, find the other number.
• The HCF of two numbers is 48, and their LCM is 1440. If one of the numbers is 576, find the other number.
• The LCM of two numbers is 540, and their HCF is 18. If one of the numbers is 90, find the other number.
• The given numbers are in the ratio 2:5:6, and their highest common factor (HCF) is 15. Determine the least common multiple (LCM) of these numbers.
• The least common multiple (LCM) of two numbers is 22 times their highest common factor (HCF). One of the numbers is 132, and the sum of the HCF and LCM is ...
• The least common multiple (LCM) of two numbers is 510, and their highest common factor (HCF) is 17. Additionally, the sum of these two numbers is 187. Find...
• Two numbers have a sum of their LCM and HCF equal to 464, and their LCM is 28 times their HCF. One of the numbers is 64. Find the difference between the tw...
• Can you determine how many factors the number 1,560 has?
• Find the smallest two-digit number that leaves 4 as remainder when divided by 6 and 7.
• What is the least number that should be multiplied to 735 so that it becomes divisible by 42?
• Calculate 50% of the L.C.M of 208 and 216.
• Find difference between the LCM and HCF of 14, 42 and 77.
• Determine the LCM of (8/35) and (24/5).
• Find the smallest 3-digit number that leaves 2 as remainder when divided by 6, 4 and 7.
• The sum of two numbers is 143, and their difference is 13. What is the L.C.M of these two numbers?
• What is the smallest number that needs to be added to or subtracted from 1164 to make it a multiple of 37?
• Determine the total count of prime factors in the product: 217 x 197 x 107
• If 'x' is the highest common factor (HCF) of 288 and 272, what is the product of the digits of 'x'?
• If two numbers are in the ratio 2:3, what is the ratio of their HCF to their LCM?
• Two numbers are in ratio 23:12. If their HCF is 8, then find the LCM of the given two numbers.
• Two numbers are in the ratio 5:12, and their least common multiple (LCM) is 1,440. Determine the sum of these two numbers.
• The Highest Common Factor (HCF) and Least Common Multiple (LCM) of two numbers, X and Y, are given as 8 and 80, respectively. Additionally, the difference ...
• The Highest Common Factor (HCF) and Least Common Multiple (LCM) of two numbers, A and B, are given as 12 and 180, respectively. Additionally, the differenc...
• The HCF and LCM of two numbers, A and B, are 15 and 225, respectively. Additionally, the difference between the two numbers is 35. Find the sum of these tw...
• The HCF and LCM of two numbers, A and B, are 9 and 162, respectively. The difference between these two numbers is 27. Find their sum.
• The HCF and LCM of two numbers, A and B, are 14 and 196, respectively. The difference between these two numbers is 28. Find their sum.
• Two numbers are in the ratio of 4:5, respectively. If their HCF is 18, then find their LCM.
• Calculate the number of factors of 480.
• The HCF of any set of 10 co-prime numbers is always:
• What is the unit digit of the number 'Z' obtained by subtracting the largest two-digit prime number from the least common multiple (LCM) of all single-digi...
• What is the unit digit of the number 'A' obtained by subtracting the largest two-digit prime number from the least common multiple (LCM) of all single-digi...