Question

Q4. Find LCM and HCF by prime factorization a) 132 and 220 b) 120 and 168 c) 175,300 and 425 d) 70,147 and 98 w​

Answer 1

Answer:

Numbers can be broken down into prime factors using prime factor trees. When the prime factors of two numbers are known, they can be compared to calculate HCFs and LCMs. This can be a more efficient method than listing the factors and multiples of large numbers.