What is the least common multiple (LCM) of 12 and 15?
Category: Math · Difficulty: hard
Hint: Consider their prime factors.
Answer
60
Explanation
The LCM of 12 (2^2 * 3) and 15 (3 * 5) is 60.
This is a hard math riddle — a tricky one that takes a little thought. The answer is 60.
More Math riddles
- I can represent areas and lengths, yet my form changes with every calculation. What am I?
- I hold the rules of fairness, balancing both sides of an equation, yet I am often overlooked. What am I?
- I represent the sequence of digits, I lead to the total of one hundred, yet I have no value. What am I?
- I am a concept that can reverse growth, yet I am essential for balance. I’m often sought after in solving…
- I am often used to calculate, sometimes in sets, and carry weight in value. What am I?
- I can be ascending or descending, guiding the way to solve. What am I?
- I consist of symbols and numbers, often needing balance to thrive. What am I?
- I can start from one or zero, often guiding your steps. What am I?