find the LCM of the following numbers by common division method. (a) . 70, 110 .
Answers
Step-by-step explanation:
=>70,110 ÷2
=>35,55÷5
=>7, 11
=> So, LCM= 2×5×7×11
=>10×77
=> 770
So your answer is 770
Least Common Multiple is :
770
Calculate Least Common Multiple for :
70, 110
Factorize of the above numbers :
70 = 2 • 5 • 7
110 = 2 • 5 • 11
Build a prime factors table
Number of times each prime factor appears in factorization of :
prime Factor Number 70 Number 110 L.C.M (max)
2 1 1 1
5 1 1 1
7 1 0 1
11 0 1 1
LCM= 2 x 5 x 7 x 11
770