LCM for 45 and 165

What's the Least Common Multiple (LCM) of 45 and 165?

Answer: LCM of 45 and 165 is 495

(Four hundred ninety-five)

Finding LCM for 45 and 165 using GCF's of these numbers

The first method to find LCM for numbers 45 and 165 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 45 and 165 is 15, so

LCM = (45 × 165) ÷ 15

LCM = 7425 ÷ 15

LCM = 495

Finding LCM for 45 and 165 by Listing Multiples

The second method to find LCM for numbers 45 and 165 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 45: 45, 90, 135, 180, 225, 270, 315, 360, 405, 450, 495, 540, 585

Multiples of 165: 165, 330, 495, 660, 825

So the LCM for 45 and 165 is 495

Finding LCM for 45 and 165 by Prime Factorization

Another method to find LCM for numbers 45 and 165 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 165: 3, 5, 11 (exponent form: 31, 51, 111)

32 × 51 × 111 = 495

See Also

LCM Table

Number 1Number 2LCM
30165330
311655115
321655280
33165165
341655610
351651155
361651980
371656105
381656270
391652145
401651320
411656765
421652310
431657095
44165660
45165495
461657590
471657755
481652640
491658085
501651650
511652805
521658580
531658745
541652970
55165165
561659240
571653135
581659570
591659735

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 45 and 165? (The answer is: 495). Select the first number (e.g. '45') and the second number (e.g. '165'). 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

FAQ

What's the Least Common Multiple (LCM) of 45 and 165?

LCM of 45 and 165 is 495