LCM for 54 and 243
What's the Least Common Multiple (LCM) of 54 and 243?
(Four hundred eighty-six)
Finding LCM for 54 and 243 using GCF's of these numbers
The first method to find LCM for numbers 54 and 243 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:
LCM = (Number1 × Number2) ÷ GCF
GCF of numbers 54 and 243 is 27, so
LCM = (54 × 243) ÷ 27
LCM = 13122 ÷ 27
LCM = 486
Finding LCM for 54 and 243 by Listing Multiples
The second method to find LCM for numbers 54 and 243 is to list out the common multiples for both nubmers and pick the first which matching:
Multiples of 54: 54, 108, 162, 216, 270, 324, 378, 432, 486, 540, 594
Multiples of 243: 243, 486, 729, 972
So the LCM for 54 and 243 is 486
Finding LCM for 54 and 243 by Prime Factorization
Another method to find LCM for numbers 54 and 243 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:
All Prime Factors of 54: 2, 3, 3, 3 (exponent form: 21, 33)
All Prime Factors of 243: 3, 3, 3, 3, 3 (exponent form: 35)
21 × 35 = 486
See Also
- Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
LCM Table
Number 1 | Number 2 | LCM |
---|---|---|
39 | 243 | 3159 |
40 | 243 | 9720 |
41 | 243 | 9963 |
42 | 243 | 3402 |
43 | 243 | 10449 |
44 | 243 | 10692 |
45 | 243 | 1215 |
46 | 243 | 11178 |
47 | 243 | 11421 |
48 | 243 | 3888 |
49 | 243 | 11907 |
50 | 243 | 12150 |
51 | 243 | 4131 |
52 | 243 | 12636 |
53 | 243 | 12879 |
54 | 243 | 486 |
55 | 243 | 13365 |
56 | 243 | 13608 |
57 | 243 | 4617 |
58 | 243 | 14094 |
59 | 243 | 14337 |
60 | 243 | 4860 |
61 | 243 | 14823 |
62 | 243 | 15066 |
63 | 243 | 1701 |
64 | 243 | 15552 |
65 | 243 | 15795 |
66 | 243 | 5346 |
67 | 243 | 16281 |
68 | 243 | 16524 |
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