LCM for 5 and 15
"Least Common Multiple" Calculator
What's the Least Common Multiple (LCM) of 5 and 15?
Answer
LCM of 5 and 15 is
15
First common multiples: 15, 30, 45, …
As a common denominator: multiply the top and bottom of x/5 by 3.
5 divides 15 (15 ÷ 5 = 3), so the LCM is the larger number itself.
5 — prime
15 = 3 × 5
| Prime | 5 | 15 | Highest power |
|---|---|---|---|
| 3 | — | 3 | 3 |
| 5 | 5 | 5 | 5 |
— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.
LCM = 3 × 5 = 15
More with these numbers
Found an error in the calculation or the information?
Related Calculations
See Also
- Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
- Least Common Multiple of 3 Numbers - Find the Least Common Multiple (LCM) of three numbers
- Greatest Common Factor of 3 Numbers - Find the Greatest Common Factor (GCF) of three numbers
- Multiples of a Number - List the first 10 multiples of any number from 1 to 999
Share This Calculation
Print
Facebook
Twitter
Telegram
WhatsApp
Viber
Email
