LCM for 18 and 387

"Least Common Multiple" Calculator

Least Common Multiple of

and

What's the Least Common Multiple (LCM) of 18 and 387?

Answer: LCM of 18 and 387 is 774

(Seven hundred seventy-four)

Finding LCM for 18 and 387 using GCF's of these numbers

The first method to find LCM for numbers 18 and 387 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 18 and 387 is 9, so

LCM = (18 × 387) ÷ 9

LCM = 6966 ÷ 9

LCM = 774

Finding LCM for 18 and 387 by Listing Multiples

The second method to find LCM for numbers 18 and 387 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 18: 18, 36, 54, 72, 90, 108, 126, 144, 162, 180, 198, 216, 234, 252, 270, 288, 306, 324, 342, 360, 378, 396, 414, 432, 450, 468, 486, 504, 522, 540, 558, 576, 594, 612, 630, 648, 666, 684, 702, 720, 738, 756, 774, 792, 810

Multiples of 387: 387, 774, 1161, 1548

So the LCM for 18 and 387 is 774

Finding LCM for 18 and 387 by Prime Factorization

Another method to find LCM for numbers 18 and 387 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 387: 3, 3, 43 (exponent form: 32, 431)

21 × 32 × 431 = 774

Share This Calculation
https://calculat.io/en/number/least-common-multiple-lcm-of/18--387Copy
<a href="https://calculat.io/en/number/least-common-multiple-lcm-of/18--387">What is the LCM of 18 and 387? - Calculatio</a>Copy
What is the LCM of 18 and 387?. Find the LCM of 387 and 18 - the smallest common multiple of two integers.
https://calculat.io/en/number/least-common-multiple-lcm-of/18--387/generated.jpgCopy

LCM Table

Number 1Number 2LCM
3387387
43871548
53871935
6387774
73872709
83873096
9387387
103873870
113874257
123871548
133875031
143875418
153871935
163876192
173876579
18387774
193877353
203877740
213872709
223878514
233878901
243873096
253879675
2638710062
273871161
2838710836
2938711223
303873870
3138711997
3238712384

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 387? (The answer is: 774). Select the first number (e.g. '18') and the second number (e.g. '387'). 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

Least Common Multiple of

and

FAQ

What's the Least Common Multiple (LCM) of 18 and 387?

LCM of 18 and 387 is 774