Question

find the
lcm and hcf of 840 and 144 by prime factorisation method​

Answer 1

Answer:

The Fundamental Theorem of Arithmetic says that every composite number can be factorized as a product of prime numbers and this factorization is unique, apart from the order in which the prime factors occur. Answer. To find the LCM and HCF of 840 and 144 using "fundamental theorem of arithmetic".

Answer 2

Answer:

for lcm

840= 2*2*2*3*5*7

144= 2*2*2*2*3*3

LCM = 2*2*2*2*3*3*5*7= 5040

for hcf

840= 2*2*2*3*5*7

144= 2*2*2*2*3*3

HCF= 2*2*2*3= 24

Step-by-step explanation:

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