Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 546 and 554 the smallest integer that is 151242 that is divisible by both numbers.
Least Common Multiple (LCM) of 546 and 554 is 151242.
LCM(546,554) = 151242
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 546 and 554. First we will calculate the prime factors of 546 and 554.
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
Prime Factorization of 554
2 | 554 |
277 | 277 |
1 |
Prime factors of 554 are 2,277. Prime factorization of 554 in exponential form is:
554 = 21×2771
Now multiplying the highest exponent prime factors to calculate the LCM of 546 and 554.
LCM(546,554) = 21×31×71×131×2771
LCM(546,554) = 151242
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
Factors of 554
List of positive integer factors of 554 that divides 554 without a remainder.
1, 2, 277, 554
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 546 and 554, than apply into the LCM equation.
GCF(546,554) = 2
LCM(546,554) = ( 546 × 554) / 2
LCM(546,554) = 302484 / 2
LCM(546,554) = 151242
(i) The LCM of 554 and 546 is associative
LCM of 546 and 554 = LCM of 554 and 546
1. What is the LCM of 546 and 554?
Answer: LCM of 546 and 554 is 151242.
2. 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.
3. What are the Factors of 554?
Answer: Factors of 554 are 1, 2, 277, 554. There are 4 integers that are factors of 554. The greatest factor of 554 is 554.
4. How to Find the LCM of 546 and 554?
Answer:
Least Common Multiple of 546 and 554 = 151242
Step 1: Find the prime factorization of 546
546 = 2 x 3 x 7 x 13
Step 2: Find the prime factorization of 554
554 = 2 x 277
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 151242 = 2 x 3 x 7 x 13 x 277
Step 4: Therefore, the least common multiple of 546 and 554 is 151242.