Numerical
Find the LCM and HCF of the following integers by applying the prime factorisation method:
84, 90 and 120
Advertisement Remove all ads
Solution
84, 90 and 120
Let us first find the factors of 84, 90 and 120
`84=2^2xx3xx7`
`90=2xx3^2xx5`
`120=2^3xx3xx5`
L.C.M of 84,90 and 120 =`2^3xx3^2xx5xx7`
L.C.M of 84,90 and 120 = 2520
H.C.F of 84,90 and 120 =6
Concept: Fundamental Theorem of Arithmetic
Is there an error in this question or solution?
Advertisement Remove all ads
APPEARS IN
Advertisement Remove all ads
Advertisement Remove all ads
