![]() ![]() HCF of two or more numbers is always less than or equal to each of the numbers. LCM of two or more numbers is always greater than or equal to each of the numbers. HCF of two or more prime numbers is 1 always. LCM of two or more prime numbers is always the product of those numbers. ![]() The highest common factor of two or more numbers is the highest number among all the common factors of the given numbers. The least common multiple of two or more numbers is the smallest number among all common multiples of the given numbers. The following table shows the difference between HCF and LCM: LCM (Lowest Common Multiple) The HCF or the highest common factor of two or more numbers is the highest or the greatest factor among all the common factors of the given numbers, whereas the LCM or the least common multiple of two or more numbers is the smallest number among all common multiples of the given numbers. Use the online LCM calculator to verify your answers. Though we have three methods to find the least common multiple, the division method is the most common and easy method that we use. The LCM is the product of all these prime numbers. Step 3: Then we multiply these numbers on the left.Now, again we write 5 on the left side and we finally get 1, 1 as the quotient in the last row. Continue the steps until 1 is left in the last row. Step 2: 2 divides 6 but it is not a factor of 15, so we write the number 15 in the row below as it is.For each number in the right column, continue finding out prime numbers which are their factors. Step 1: 2 is the smallest prime number and it is a factor of 6.Solution: Let us find the least common multiple (LCM) of 6 and 15 using the division method using the steps given below. Continue the steps until 1 is left in the last row.Įxample: Find the least common multiple (LCM) of 6 and 15 using the division method. ![]() If the prime number in step 1 is not a factor of the number, then write the number in the row below as it is.
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