What are the least common multiples of 7,14 and 21?
3 Answers
Explanation:
Every number is the lowest multiple of itself, but there is only ever one lowest (least) common multiple of 2 or more numbers.
For the LCM of
Write each number as the product of the prime factors:
42
Explanation:
Multiples of 7: 7, 14, 21, 28, 35, 42, 49...
Multiples of 14: 14, 28, 42, 56...
Multiples of 21: 21, 42, 63...
It is 42 !!
Explanation:
Least common multiple simply means the "smallest" number which is common in the multiplication tables of the given set of numbers.
Hence , for 7,14,and 21 it will be 42 as it is the smallest number which is common in the tables of the given numbers .