find the lcm by prime factorization 14,21,12
Answers
Answered by
1
Answer:
84
Calculate Least Common Multiple for :
12, 14 and 21
Factorize of the above numbers :
12 = 22 • 3
14 = 2 • 7
21 = 3 • 7
Build a prime factors table
Number of times each prime factor
appears in the factorization of :
Prime
Factor Number
12 Number
14 Number
21 L.C.M
(max)
2 2 1 0 2
3 1 0 1 1
7 0 1 1 1
LCM = 22 • 3 • 7
Least Common Multiple is :
84
Answered by
0
Answer:
2| 14 21 12
2| 7 21 6
2| 7 21 3
3| 7 7 1
7| 1 1 1
therefore: lcm = 42
picking one of each number
Similar questions