LCM for 9 and 6
"Least Common Multiple" Calculator
What's the Least Common Multiple (LCM) of 9 and 6?
Answer
(Eighteen)
Finding LCM for 9 and 6 using GCF of these numbers
The first method to find LCM for numbers 9 and 6 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:
LCM = (Number1 × Number2) ÷ GCF
GCF of numbers 9 and 6 is 3, so
LCM = (9 × 6) ÷ 3
LCM = 54 ÷ 3
LCM = 18
Finding LCM for 9 and 6 by Listing Multiples
The second method to find LCM for numbers 9 and 6 is to list out the common multiples for both numbers and pick the first one that matches:
Multiples of 9: 9, 18, 27, 36
Multiples of 6: 6, 12, 18, 24, 30
So the LCM for 9 and 6 is 18
Finding LCM for 9 and 6 by Prime Factorization
Another method to find LCM for numbers 9 and 6 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:
All Prime Factors of 9: 3, 3 (exponent form: 32)
All Prime Factors of 6: 2, 3 (exponent form: 21, 31)
32 × 21 = 18
Related Calculations
See Also
- Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
About "Least Common Multiple" Calculator
Least Common Multiple (LCM) also known as the Lowest Common Multiple or Smallest Common Multiple of 2 numbers - it is the smallest positive integer that is divisible by both numbers
"Least Common Multiple" Calculator
LCM Table
FAQ
What's the Least Common Multiple (LCM) of 9 and 6?
How to find the LCM of 9 and 6 using prime factorization?
What is the difference between LCM and GCF?
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