if the gcd and lcm are given and one of the numbers are also given,multiply the gcd and lcm and divide them by the given number
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If you have the gcd or the LCM of two numbers, call them a and b, you can use the relationship that gcd(a,b) = (a multiplied by b) divided by LCM (a,b) where LCM or gcd (a,b) means the LCM or a and b. This means the gcd multiplied by the LCM is the same as the product of two numbers. Let's assume you have neither. There are several ways to do this. One way to approach both problems at once is to factor each number into primes. You can use these prime factorizations to find both the LCM and gcd To compute the Greatest common divisor, list the common prime factors and raise each to the least multiplicities that occurs among the several whole numbers. To compute the least common multiple, list all prime factors and raise each to the greatest multiplicities that occurs among the several whole numbers.
At least two or more numbers must be given to find the LCM of them
GCD = 39 LCM = 1,755
The least common multiple (LCM) of 13 and 65 is the smallest multiple that both numbers share. To find the LCM, you can use the formula LCM(a, b) = (|a * b|) / GCD(a, b), where GCD is the greatest common divisor. In this case, the GCD of 13 and 65 is 13, so the LCM is (|13 * 65|) / 13 = 65.
The smallest number that is a multiple of two given numbers is called the least common multiple (LCM) of those two numbers. It can be found by taking the product of the two numbers and dividing it by their greatest common divisor (GCD).