LCM for 33 and 77

What's the Least Common Multiple (LCM) of 33 and 77?

Answer: LCM of 33 and 77 is 231

(Two hundred thirty-one)

Finding LCM for 33 and 77 using GCF's of these numbers

The first method to find LCM for numbers 33 and 77 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 33 and 77 is 11, so

LCM = (33 × 77) ÷ 11

LCM = 2541 ÷ 11

LCM = 231

Finding LCM for 33 and 77 by Listing Multiples

The second method to find LCM for numbers 33 and 77 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 33: 33, 66, 99, 132, 165, 198, 231, 264, 297

Multiples of 77: 77, 154, 231, 308, 385

So the LCM for 33 and 77 is 231

Finding LCM for 33 and 77 by Prime Factorization

Another method to find LCM for numbers 33 and 77 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 33: 3, 11 (exponent form: 31, 111)

All Prime Factors of 77: 7, 11 (exponent form: 71, 111)

31 × 111 × 71 = 231

Related Calculations

See Also

LCM Table

Number 1Number 2LCM
1877
19771463
20771540
2177
2277154
23771771
24771848
25771925
26772002
27772079
2877308
29772233
30772310
31772387
32772464
3377
34772618
3577385
36772772
37772849
38772926
39773003
40773080
41773157
4277
43773311
4477308
45773465
46773542
47773619

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 33 and 77? (The answer is: 231). Select the first number (e.g. '33') and the second number (e.g. '77'). 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 33 and 77?

LCM of 33 and 77 is 231