LCM for 18 and 207

What's the Least Common Multiple (LCM) of 18 and 207?

Answer: LCM of 18 and 207 is 414

(Four hundred fourteen)

Finding LCM for 18 and 207 using GCF's of these numbers

The first method to find LCM for numbers 18 and 207 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 18 and 207 is 9, so

LCM = (18 × 207) ÷ 9

LCM = 3726 ÷ 9

LCM = 414

Finding LCM for 18 and 207 by Listing Multiples

The second method to find LCM for numbers 18 and 207 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

Multiples of 207: 207, 414, 621, 828

So the LCM for 18 and 207 is 414

Finding LCM for 18 and 207 by Prime Factorization

Another method to find LCM for numbers 18 and 207 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 207: 3, 3, 23 (exponent form: 32, 231)

21 × 32 × 231 = 414

See Also

LCM Table

Number 1Number 2LCM
3207207
4207828
52071035
6207414
72071449
82071656
9207207
102072070
112072277
12207828
132072691
142072898
152071035
162073312
172073519
18207414
192073933
202074140
212071449
222074554
23207207
242071656
252075175
262075382
27207621
282075796
292076003
302072070
312076417
322076624

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 207? (The answer is: 414). Select the first number (e.g. '18') and the second number (e.g. '207'). 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 18 and 207?

LCM of 18 and 207 is 414