LCM for 81 and 297

"Least Common Multiple" Calculator

Least Common Multiple of

and

What's the Least Common Multiple (LCM) of 81 and 297?

Answer: LCM of 81 and 297 is 891

(Eight hundred ninety-one)

Finding LCM for 81 and 297 using GCF's of these numbers

The first method to find LCM for numbers 81 and 297 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 81 and 297 is 27, so

LCM = (81 × 297) ÷ 27

LCM = 24057 ÷ 27

LCM = 891

Finding LCM for 81 and 297 by Listing Multiples

The second method to find LCM for numbers 81 and 297 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 81: 81, 162, 243, 324, 405, 486, 567, 648, 729, 810, 891, 972, 1053

Multiples of 297: 297, 594, 891, 1188, 1485

So the LCM for 81 and 297 is 891

Finding LCM for 81 and 297 by Prime Factorization

Another method to find LCM for numbers 81 and 297 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 81: 3, 3, 3, 3 (exponent form: 34)

All Prime Factors of 297: 3, 3, 3, 11 (exponent form: 33, 111)

34 × 111 = 891

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LCM Table

Number 1Number 2LCM
66297594
6729719899
6829720196
692976831
7029720790
7129721087
722972376
7329721681
7429721978
752977425
7629722572
772972079
782977722
7929723463
8029723760
81297891
8229724354
8329724651
842978316
8529725245
8629725542
872978613
882972376
8929726433
902972970
9129727027
9229727324
932979207
9429727918
9529728215

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 81 and 297? (The answer is: 891). Select the first number (e.g. '81') and the second number (e.g. '297'). 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 81 and 297?

LCM of 81 and 297 is 891

See Also