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LCM for 20 and 440

"Least Common Multiple" Calculator

Least Common Multiple of

and

What's the Least Common Multiple (LCM) of 20 and 440?

Answer

LCM of 20 and 440 is 440

(Four hundred forty)

Finding LCM for 20 and 440 using GCF of these numbers

The first method to find LCM for numbers 20 and 440 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 20 and 440 is 20, so

LCM = (20 × 440) ÷ 20

LCM = 8800 ÷ 20

LCM = 440

Finding LCM for 20 and 440 by Listing Multiples

The second method to find LCM for numbers 20 and 440 is to list out the common multiples for both numbers and pick the first one that matches:

Multiples of 20: 20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, 240, 260, 280, 300, 320, 340, 360, 380, 400, 420, 440, 460, 480

Multiples of 440: 440, 880, 1320

So the LCM for 20 and 440 is 440

Finding LCM for 20 and 440 by Prime Factorization

Another method to find LCM for numbers 20 and 440 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 20: 2, 2, 5 (exponent form: 22, 51)

All Prime Factors of 440: 2, 2, 2, 5, 11 (exponent form: 23, 51, 111)

23 × 51 × 111 = 440

See Also

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What is the LCM of 20 and 440?. Find the LCM of 20 and 440 - the smallest common multiple of two integers.
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LCM Table

Number 1Number 2LCM
5440440
64401320
74403080
8440440
94403960
10440440
11440440
124401320
134405720
144403080
154401320
16440880
174407480
184403960
194408360
20440440
214409240
22440440
2344010120
244401320
254402200
264405720
2744011880
284403080
2944012760
304401320
3144013640
324401760
334401320
344407480

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 20 and 440? (The answer is: 440). Select the first number (e.g. '20') and the second number (e.g. '440'). 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 20 and 440?

LCM of 20 and 440 is 440

How to find the LCM of 20 and 440 using prime factorization?

To find the LCM of 20 and 440, find all prime factors of both numbers, then multiply the highest power of each prime factor. The result is 440.

What is the difference between LCM and GCF?

LCM (Least Common Multiple) is the smallest number divisible by both numbers, while GCF (Greatest Common Factor) is the largest number that divides both. For 20 and 440: LCM = 440, GCF = 20.

See Also