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What is common to 2 or more numbers in a group and has the least value of all common multiples for those numbers?
That's the least common multiple, or LCM.
What are the common multiples of 42 and 60?
One way to find a common multiple of any group of numbers is to multiply them all (to find the product). So one common multiple of 42 and 60 is 42x60=2520 This will not however, always give the LOWEST common multiple, which in this case is 420.
Is the greatest common factor always sometimes or never a prime number explain?
GCF can sometimes be prime b ut not always. It is the Greatest (largest)number which will evenly divide into a given group of numbers. Prime numbers are not the only numbers that diviide into some thing and some \times, depending on the group of numbers given, it is prime. EX find GFC for 21 and 14 this is 7 which is prime find the gcf for 14 and 42 even though both are divisible by 7 (a prime) the Gcf is 14 itself. You were probably taught to do a prime factorization as the 1st step in finding the GCF. After that you must find all common factors in the list of primes and multiply them together. By multiplying you are creating a number that is not prime. If there is only one common prime number there is nothing to multiply so in that case the GCF is prime.
What is the numerical average of a group of number?
The numerical average of a group of numbers is the ratio of the sum of group of numbers to the total amount of numbers. This is also known as the mean.
What is the definition of Average in regards to math?
Average of the numbers in a group =(the sum of all the numbers in the group) divided by (the number of numbers in the group)
