LCM for 80 and 240

What's the Least Common Multiple (LCM) of 80 and 240?

Answer: LCM of 80 and 240 is 240

(Two hundred forty)

Finding LCM for 80 and 240 using GCF's of these numbers

The first method to find LCM for numbers 80 and 240 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 80 and 240 is 80, so

LCM = (80 × 240) ÷ 80

LCM = 19200 ÷ 80

LCM = 240

Finding LCM for 80 and 240 by Listing Multiples

The second method to find LCM for numbers 80 and 240 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 80: 80, 160, 240, 320, 400

Multiples of 240: 240, 480, 720, 960, 1200, [...], 240

So the LCM for 80 and 240 is 240

Finding LCM for 80 and 240 by Prime Factorization

Another method to find LCM for numbers 80 and 240 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 80: 2, 2, 2, 2, 5 (exponent form: 24, 51)

All Prime Factors of 240: 2, 2, 2, 2, 3, 5 (exponent form: 24, 31, 51)

24 × 51 × 31 = 240

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 80 and 240? (The answer is: 240). Select the first number (e.g. '80') and the second number (e.g. '240'). 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
652403120
662402640
6724016080
682404080
692405520
702401680
7124017040
72240720
7324017520
742408880
752401200
762404560
7724018480
782403120
7924018960
80240
812406480
822409840
8324019920
842401680
852404080
8624010320
872406960
882402640
8924021360
90240720
9124021840
922405520
932407440
9424011280

FAQ

What's the Least Common Multiple (LCM) of 80 and 240?

LCM of 80 and 240 is 240