LCM for 2 and 22

The first method to find LCM for numbers 2 and 22 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 2 and 22 is 2, so

LCM = (2 × 22) ÷ 2

LCM = 44 ÷ 2

LCM = 22

The second method to find LCM for numbers 2 and 22 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26

Multiples of 22: 22, 44, 66, 88, 110, 132, 154, 176, 198, 220, 242, 264, 286, [...], 22

So the LCM for 2 and 22 is 22

Another method to find LCM for numbers 2 and 22 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors: