LCM of 4 7 12 21 is 84
The LCM seems to be 756.
84
84This question is asking for the Lowest Common Multiple (LCM) - also called the Least Common Denominator (LCD).Generally, you can find the LCM of 2 of the numbers, then find the LCM of that number with the third.Since 3 and 7 are both prime, their LCM is 3x7=21. To find the LCM of 21 and 12, make a list of their multiples until you find a number common to both lists:12: 12. 24, 36, 48, 60, 72, 84, ...21: 21, 42, 63, 84, ...
The LCM of 21 and 18 is 126.
The LCM is 84.
The LCM is 2520.
The LCM is: 420
The LCM is: 3,948
The Least Common Multiple (LCM) for 12 21 30 70 is 420.
The least common multiple of 6, 12 and 21 is 84.
LCM of 4 7 12 21 is 84
LCM of 12 and 21 is 84, which is also a multiple of 28 so 84 is your answer.
The LCM is: 84
The LCM is 84.
84
The LCM is 2520.