LCM understanding

What is the lowest common multiple (LCM)?

It combines all prime factors needed from both numbers.

How is the highest power of prime factors used in LCM?

It includes the highest power from either number's prime factorization.

What role do Venn diagrams play in finding LCM?

They organize common and unique prime factors visually.

What are the prime factors of 90?

2, 3, 3, 5.

What are the prime factors of 72?

2, 2, 2, 3, 3.

How do you find the HCF using prime factorization?

Identify the lowest powers of common prime factors.

What is the relationship between HCF and LCM?

LCM equals HCF multiplied by the remaining factors.

What happens if you multiply all factors in the Venn diagram?

You obtain the LCM of the two numbers.