770. To find the least common multiple, factor each number to its prime factors and then multiply all the factors from the first number with any factors in the second number that are not repeated from the first number. The prime factors of 14 are 2 and 7. The prime factors of 55 are 5 and 11. Multiply 2 x 7 x 5 x 11 and you get 770.
The LCM of 14 and 55 is 770.
The LCM is: 13860
The LCM is 55.
The LCM is 55.
The LCM is 55.
The LCM is 990.
The LCM is: 770
The LCM is 1375.
The LCM is 1155.
The LCM is 4620.
The LCM of 12 and 55 is 660.
The LCM of 55 and 60 is: 660