LCM for 55 and 77

"Least Common Multiple" Calculator

Least Common Multiple of

and

What's the Least Common Multiple (LCM) of 55 and 77?

Answer: LCM of 55 and 77 is 385

(Three hundred eighty-five)

Finding LCM for 55 and 77 using GCF's of these numbers

The first method to find LCM for numbers 55 and 77 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 55 and 77 is 11, so

LCM = (55 × 77) ÷ 11

LCM = 4235 ÷ 11

LCM = 385

Finding LCM for 55 and 77 by Listing Multiples

The second method to find LCM for numbers 55 and 77 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 55: 55, 110, 165, 220, 275, 330, 385, 440, 495

Multiples of 77: 77, 154, 231, 308, 385, 462, 539

So the LCM for 55 and 77 is 385

Finding LCM for 55 and 77 by Prime Factorization

Another method to find LCM for numbers 55 and 77 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 55: 5, 11 (exponent form: 51, 111)

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

51 × 111 × 71 = 385

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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 55 and 77? (The answer is: 385). Select the first number (e.g. '55') 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

"Least Common Multiple" Calculator

Least Common Multiple of

and

LCM Table

Number 1Number 2LCM
40773080
41773157
4277462
43773311
4477308
45773465
46773542
47773619
48773696
4977539
50773850
51773927
52774004
53774081
54774158
5577385
5677616
57774389
58774466
59774543
60774620
61774697
62774774
6377693
64774928
65775005
6677462
67775159
68775236
69775313

FAQ

What's the Least Common Multiple (LCM) of 55 and 77?

LCM of 55 and 77 is 385

See Also