Least Common Multiple of 15, 39, 780
Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Use the LCM of two or more numbers Calculator to find the Least Common Multiple of numbers 15, 39, 780 i.e. 780 smallest integer divisible by all numbers.
Least common multiple (LCM) of 15, 39, 780 is 780.
LCM(15, 39, 780) = 780
LCM of 15, 39, 780
Least common multiple or lowest common denominator (lcd) can be calculated in three ways
- Least Common Multiple of 15, 39, 780 by common division method
- Least Common Multiple of 15, 39, 780 with GCF Formula
Least Common Multiple (LCM) of 15,39,780 is 780
| 3 | 15, 39, 780 |
| 5 | 5, 13, 260 |
| 13 | 1, 13, 52 |
| 1, 1, 4 |
∴ So the LCM of the given numbers is 3 x 5 x 13 x 1 x 1 x 4 = 780
The formula of LCM is LCM(a1,a2,a3....,an) = ( a1 × a2 × a3 × .... × an) / GCF(a1,a2,a3....,an) x common factors(if more than 2 numbers have common factors).
We need to calculate greatest common factor of 15,39,780 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(15,39,780) = 3
common factors(in case of two or more numbers have common factors) = 195
GCF(15,39,780) x common factors =3 x 195 = 585
LCM(15,39,780) = ( 15 × 39 × 780 ) / 585
LCM(15,39,780) = 456300 / 585
LCM(15,39,780) = 780
∴ Least Common Multiple of 15,39,780 is 780
LCM of two or more Numbers Calculation Examples
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Frequently Asked Questions on LCM of 15, 39, 780
1. What is the LCM of 15, 39, 780?
Answer: LCM of 15, 39, 780 is 780.
2. What are the Factors of 780?
Answer: Factors of 780 are . There are integers that are factors of 780
3. How to Find the LCM of 15, 39, 780 ?
Least Common Multiple of 15, 39, 780.
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors with last row quotient of common division that is LCM(15, 39, 780) = 2 x 2 x 3 x 5 x 13 = 780.