Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 540 and 546 the smallest integer that is 49140 that is divisible by both numbers.
Least Common Multiple (LCM) of 540 and 546 is 49140.
LCM(540,546) = 49140
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 540 and 546. First we will calculate the prime factors of 540 and 546.
Prime Factorization of 540
2 | 540 |
2 | 270 |
3 | 135 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 540 are 2, 3,5. Prime factorization of 540 in exponential form is:
540 = 22×33×51
Prime Factorization of 546
2 | 546 |
3 | 273 |
7 | 91 |
13 | 13 |
1 |
Prime factors of 546 are 2, 3, 7,13. Prime factorization of 546 in exponential form is:
546 = 21×31×71×131
Now multiplying the highest exponent prime factors to calculate the LCM of 540 and 546.
LCM(540,546) = 22×33×51×71×131
LCM(540,546) = 49140
Factors of 540
List of positive integer factors of 540 that divides 540 without a remainder.
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540
Factors of 546
List of positive integer factors of 546 that divides 546 without a remainder.
1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 540 and 546, than apply into the LCM equation.
GCF(540,546) = 6
LCM(540,546) = ( 540 × 546) / 6
LCM(540,546) = 294840 / 6
LCM(540,546) = 49140
(i) The LCM of 546 and 540 is associative
LCM of 540 and 546 = LCM of 546 and 540
1. What is the LCM of 540 and 546?
Answer: LCM of 540 and 546 is 49140.
2. What are the Factors of 540?
Answer: Factors of 540 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540. There are 24 integers that are factors of 540. The greatest factor of 540 is 540.
3. What are the Factors of 546?
Answer: Factors of 546 are 1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546. There are 16 integers that are factors of 546. The greatest factor of 546 is 546.
4. How to Find the LCM of 540 and 546?
Answer:
Least Common Multiple of 540 and 546 = 49140
Step 1: Find the prime factorization of 540
540 = 2 x 2 x 3 x 3 x 3 x 5
Step 2: Find the prime factorization of 546
546 = 2 x 3 x 7 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 49140 = 2 x 2 x 3 x 3 x 3 x 5 x 7 x 13
Step 4: Therefore, the least common multiple of 540 and 546 is 49140.