LCM for 5 and 55

The first method to find LCM for numbers 5 and 55 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 5 and 55 is 5, so

LCM = (5 × 55) ÷ 5

LCM = 275 ÷ 5

LCM = 55

The second method to find LCM for numbers 5 and 55 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65

Multiples of 55: 55, 110, 165, 220, 275, 330, 385, 440, 495, 550, 605, 660, 715, [...], 55

So the LCM for 5 and 55 is 55

Another method to find LCM for numbers 5 and 55 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors: