LCM for 3 and 25

The first method to find LCM for numbers 3 and 25 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 3 and 25 is 1, so

LCM = (3 × 25) ÷ 1

LCM = 75 ÷ 1

LCM = 75

The second method to find LCM for numbers 3 and 25 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, 60, 63, 66, 69, 72, 75, 78, 81

Multiples of 25: 25, 50, 75, 100, 125

So the LCM for 3 and 25 is 75

Another method to find LCM for numbers 3 and 25 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors: