LCM for 80 and 530

The first method to find LCM for numbers 80 and 530 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 80 and 530 is 10, so

LCM = (80 × 530) ÷ 10

LCM = 42400 ÷ 10

LCM = 4240

The second method to find LCM for numbers 80 and 530 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 80: 80, 160, 240, 320, 400, 480, 560, 640, 720, 800, 880, 960, 1040, 1120, 1200, 1280, 1360, 1440, 1520, 1600, 1680, 1760, 1840, 1920, 2000, 2080, 2160, 2240, 2320, 2400, 2480, 2560, 2640, 2720, 2800, 2880, 2960, 3040, 3120, 3200, 3280, 3360, 3440, 3520, 3600, 3680, 3760, 3840, 3920, 4000, 4080, 4160, 4240, 4320, 4400

Multiples of 530: 530, 1060, 1590, 2120, 2650, 3180, 3710, 4240, 4770, 5300

So the LCM for 80 and 530 is 4240

Another method to find LCM for numbers 80 and 530 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors: