What is the LCM of 18 and 27?

"Least Common Multiple" Calculator

What's the Least Common Multiple (LCM) of 18 and 27?

Answer: LCM of 18 and 27 is 54

(Fifty-four)

Finding LCM for 18 and 27 using GCF's of these numbers

The first method to find LCM for numbers 18 and 27 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 18 and 27 is 9, so

LCM = (18 × 27) ÷ 9

LCM = 486 ÷ 9

LCM = 54

Finding LCM for 18 and 27 by Listing Multiples

The second method to find LCM for numbers 18 and 27 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 18: 18, 36, 54, 72, 90

Multiples of 27: 27, 54, 81, 108

So the LCM for 18 and 27 is 54

Finding LCM for 18 and 27 by Prime Factorization

Another method to find LCM for numbers 18 and 27 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 18: 2, 3, 3 (exponent form: 2¹, 3²)

All Prime Factors of 27: 3, 3, 3 (exponent form: 3³)

2¹ × 3³ = 54

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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 18 and 27? (The answer is: 54). Select the first number (e.g. '18') and the second number (e.g. '27'). 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

"Least Common Multiple" Calculator

LCM Table

Number 1	Number 2	LCM
3	27	27
4	27	108
5	27	135
6	27	54
7	27	189
8	27	216
9	27	27
10	27	270
11	27	297
12	27	108
13	27	351
14	27	378
15	27	135
16	27	432
17	27	459
18	27	54
19	27	513
20	27	540
21	27	189
22	27	594
23	27	621
24	27	216
25	27	675
26	27	702
27	27	27
28	27	756
29	27	783
30	27	270
31	27	837
32	27	864

LCM for 18 and 27

"Least Common Multiple" Calculator

What's the Least Common Multiple (LCM) of 18 and 27?

Finding LCM for 18 and 27 using GCF's of these numbers

Finding LCM for 18 and 27 by Listing Multiples

Finding LCM for 18 and 27 by Prime Factorization

Related Calculations

See Also

About "Least Common Multiple" Calculator

"Least Common Multiple" Calculator

LCM Table

FAQ

What's the Least Common Multiple (LCM) of 18 and 27?

See Also

Number 1	Number 2	LCM
3	27	27
4	27	108
5	27	135
6	27	54
7	27	189
8	27	216
9	27	27
10	27	270
11	27	297
12	27	108
13	27	351
14	27	378
15	27	135
16	27	432
17	27	459
18	27	54
19	27	513
20	27	540
21	27	189
22	27	594
23	27	621
24	27	216
25	27	675
26	27	702
27	27	27
28	27	756
29	27	783
30	27	270
31	27	837
32	27	864

Number 1	Number 2	LCM
3	27	27
4	27	108
5	27	135
6	27	54
7	27	189
8	27	216
9	27	27
10	27	270
11	27	297
12	27	108
13	27	351
14	27	378
15	27	135
16	27	432
17	27	459
18	27	54
19	27	513
20	27	540
21	27	189
22	27	594
23	27	621
24	27	216
25	27	675
26	27	702
27	27	27
28	27	756
29	27	783
30	27	270
31	27	837
32	27	864

Number 1	Number 2	LCM
3	27	27
4	27	108
5	27	135
6	27	54
7	27	189
8	27	216
9	27	27
10	27	270
11	27	297
12	27	108
13	27	351
14	27	378
15	27	135
16	27	432
17	27	459
18	27	54
19	27	513
20	27	540
21	27	189
22	27	594
23	27	621
24	27	216
25	27	675
26	27	702
27	27	27
28	27	756
29	27	783
30	27	270
31	27	837
32	27	864