LCM for 3 and 17

The first method to find LCM for numbers 3 and 17 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 3 and 17 is 1, so

LCM = (3 × 17) ÷ 1

LCM = 51 ÷ 1

LCM = 51

The second method to find LCM for numbers 3 and 17 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57

Multiples of 17: 17, 34, 51, 68, 85

So the LCM for 3 and 17 is 51

Another method to find LCM for numbers 3 and 17 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors: