LCM for 18 and 396

"Least Common Multiple" Calculator

Least Common Multiple of

and

What's the Least Common Multiple (LCM) of 18 and 396?

Answer: LCM of 18 and 396 is 396

(Three hundred ninety-six)

Finding LCM for 18 and 396 using GCF's of these numbers

The first method to find LCM for numbers 18 and 396 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 18 and 396 is 18, so

LCM = (18 × 396) ÷ 18

LCM = 7128 ÷ 18

LCM = 396

Finding LCM for 18 and 396 by Listing Multiples

The second method to find LCM for numbers 18 and 396 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

Multiples of 396: 396, 792, 1188, 1584, 1980, 2376, 2772, 3168, 3564, 3960, 4356, 4752, 5148, 5544, 5940, 6336, 6732, 7128, 7524, 7920, 8316, 8712, 9108, 9504, [...], 396

So the LCM for 18 and 396 is 396

Finding LCM for 18 and 396 by Prime Factorization

Another method to find LCM for numbers 18 and 396 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 396: 2, 2, 3, 3, 11 (exponent form: 22, 32, 111)

22 × 32 × 111 = 396

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What is the LCM of 18 and 396?. Find the LCM of 396 and 18 - the smallest common multiple of two integers.
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LCM Table

Number 1Number 2LCM
3396396
4396396
53961980
6396396
73962772
8396792
9396396
103961980
11396396
12396396
133965148
143962772
153961980
163961584
173966732
18396396
193967524
203961980
213962772
22396396
233969108
24396792
253969900
263965148
273961188
283962772
2939611484
303961980
3139612276
323963168

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 396? (The answer is: 396). Select the first number (e.g. '18') and the second number (e.g. '396'). 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 396?

LCM of 18 and 396 is 396

See Also