LCM for 45 and 135
"Least Common Multiple" Calculator
What's the Least Common Multiple (LCM) of 45 and 135?
(One hundred thirty-five)
Finding LCM for 45 and 135 using GCF's of these numbers
The first method to find LCM for numbers 45 and 135 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:
LCM = (Number1 × Number2) ÷ GCF
GCF of numbers 45 and 135 is 45, so
LCM = (45 × 135) ÷ 45
LCM = 6075 ÷ 45
LCM = 135
Finding LCM for 45 and 135 by Listing Multiples
The second method to find LCM for numbers 45 and 135 is to list out the common multiples for both nubmers and pick the first which matching:
Multiples of 45: 45, 90, 135, 180, 225
Multiples of 135: 135, 270, 405, 540, 675, [...], 135
So the LCM for 45 and 135 is 135
Finding LCM for 45 and 135 by Prime Factorization
Another method to find LCM for numbers 45 and 135 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:
All Prime Factors of 45: 3, 3, 5 (exponent form: 32, 51)
All Prime Factors of 135: 3, 3, 3, 5 (exponent form: 33, 51)
33 × 51 = 135
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
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What's the Least Common Multiple (LCM) of 45 and 135?
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- Наименьшее общее кратное 45 и 135