LCM for 16 and 18

The first method to find LCM for numbers 16 and 18 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 16 and 18 is 2, so

LCM = (16 × 18) ÷ 2

LCM = 288 ÷ 2

LCM = 144

The second method to find LCM for numbers 16 and 18 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 16: 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176

Multiples of 18: 18, 36, 54, 72, 90, 108, 126, 144, 162, 180

So the LCM for 16 and 18 is 144

Another method to find LCM for numbers 16 and 18 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors: