LCM for 10 and 80

The first method to find LCM for numbers 10 and 80 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 10 and 80 is 10, so

LCM = (10 × 80) ÷ 10

LCM = 800 ÷ 10

LCM = 80

The second method to find LCM for numbers 10 and 80 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 10: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100

Multiples of 80: 80, 160, 240, 320, 400, 480, 560, 640, 720, 800, [...], 80

So the LCM for 10 and 80 is 80

Another method to find LCM for numbers 10 and 80 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors: