LCM for 15 and 10
"Least Common Multiple" Calculator
What's the Least Common Multiple (LCM) of 15 and 10?
Answer: LCM of 15 and 10 is 30
(Thirty)
Finding LCM for 15 and 10 using GCF's of these numbers
The first method to find LCM for numbers 15 and 10 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:
LCM = (Number1 × Number2) ÷ GCF
GCF of numbers 15 and 10 is 5, so
LCM = (15 × 10) ÷ 5
LCM = 150 ÷ 5
LCM = 30
Finding LCM for 15 and 10 by Listing Multiples
The second method to find LCM for numbers 15 and 10 is to list out the common multiples for both nubmers and pick the first which matching:
Multiples of 15: 15, 30, 45, 60
Multiples of 10: 10, 20, 30, 40, 50
So the LCM for 15 and 10 is 30
Finding LCM for 15 and 10 by Prime Factorization
Another method to find LCM for numbers 15 and 10 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:
All Prime Factors of 15: 3, 5 (exponent form: 31, 51)
All Prime Factors of 10: 2, 5 (exponent form: 21, 51)
31 × 51 × 21 = 30
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About "Least Common Multiple" Calculator
This calculator will help you find the Least Common Multiple (LCM) of two numbers. For example, it can help you find out what's the Least Common Multiple (LCM) of 15 and 10? (The answer is: 30). Select the first number (e.g. '15') and the second number (e.g. '10'). After that hit the 'Calculate' button.
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