LCM for 5 and 16

The first method to find LCM for numbers 5 and 16 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 5 and 16 is 1, so

LCM = (5 × 16) ÷ 1

LCM = 80 ÷ 1

LCM = 80

The second method to find LCM for numbers 5 and 16 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, 70, 75, 80, 85, 90

Multiples of 16: 16, 32, 48, 64, 80, 96, 112

So the LCM for 5 and 16 is 80

Another method to find LCM for numbers 5 and 16 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors: