LCM for 45 and 50

The first method to find LCM for numbers 45 and 50 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 45 and 50 is 5, so

LCM = (45 × 50) ÷ 5

LCM = 2250 ÷ 5

LCM = 450

The second method to find LCM for numbers 45 and 50 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 45: 45, 90, 135, 180, 225, 270, 315, 360, 405, 450, 495, 540

Multiples of 50: 50, 100, 150, 200, 250, 300, 350, 400, 450, 500, 550

So the LCM for 45 and 50 is 450

Another method to find LCM for numbers 45 and 50 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors: