LCM for 27 and 72

What's the Least Common Multiple (LCM) of 27 and 72?

Answer: LCM of 27 and 72 is 216

(Two hundred sixteen)

Finding LCM for 27 and 72 using GCF's of these numbers

The first method to find LCM for numbers 27 and 72 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 27 and 72 is 9, so

LCM = (27 × 72) ÷ 9

LCM = 1944 ÷ 9

LCM = 216

Finding LCM for 27 and 72 by Listing Multiples

The second method to find LCM for numbers 27 and 72 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 27: 27, 54, 81, 108, 135, 162, 189, 216, 243, 270

Multiples of 72: 72, 144, 216, 288, 360

So the LCM for 27 and 72 is 216

Finding LCM for 27 and 72 by Prime Factorization

Another method to find LCM for numbers 27 and 72 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

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

All Prime Factors of 72: 2, 2, 2, 3, 3 (exponent form: 23, 32)

33 × 23 = 216

See Also

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 27 and 72? (The answer is: 216). Select the first number (e.g. '27') and the second number (e.g. '72'). 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

LCM Table

Number 1Number 2LCM
1272
1372936
1472504
1572360
1672
17721224
1872
19721368
2072360
2172
2272792
23721656
2472
25721800
2672936
2772
2872504
29722088
3072360
31722232
3272288
3372792
34721224
35722520
3672
37722664
38721368
3972936
4072360
41722952

FAQ

What's the Least Common Multiple (LCM) of 27 and 72?

LCM of 27 and 72 is 216