Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 542 and 543 the smallest integer that is 294306 that is divisible by both numbers.
Least Common Multiple (LCM) of 542 and 543 is 294306.
LCM(542,543) = 294306
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 542 and 543. First we will calculate the prime factors of 542 and 543.
Prime Factorization of 542
2 | 542 |
271 | 271 |
1 |
Prime factors of 542 are 2,271. Prime factorization of 542 in exponential form is:
542 = 21×2711
Prime Factorization of 543
3 | 543 |
181 | 181 |
1 |
Prime factors of 543 are 3,181. Prime factorization of 543 in exponential form is:
543 = 31×1811
Now multiplying the highest exponent prime factors to calculate the LCM of 542 and 543.
LCM(542,543) = 21×31×1811×2711
LCM(542,543) = 294306
Factors of 542
List of positive integer factors of 542 that divides 542 without a remainder.
1, 2, 271, 542
Factors of 543
List of positive integer factors of 543 that divides 543 without a remainder.
1, 3, 181, 543
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 542 and 543, than apply into the LCM equation.
GCF(542,543) = 1
LCM(542,543) = ( 542 × 543) / 1
LCM(542,543) = 294306 / 1
LCM(542,543) = 294306
(i) The LCM of 543 and 542 is associative
LCM of 542 and 543 = LCM of 543 and 542
1. What is the LCM of 542 and 543?
Answer: LCM of 542 and 543 is 294306.
2. What are the Factors of 542?
Answer: Factors of 542 are 1, 2, 271, 542. There are 4 integers that are factors of 542. The greatest factor of 542 is 542.
3. What are the Factors of 543?
Answer: Factors of 543 are 1, 3, 181, 543. There are 4 integers that are factors of 543. The greatest factor of 543 is 543.
4. How to Find the LCM of 542 and 543?
Answer:
Least Common Multiple of 542 and 543 = 294306
Step 1: Find the prime factorization of 542
542 = 2 x 271
Step 2: Find the prime factorization of 543
543 = 3 x 181
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 294306 = 2 x 3 x 181 x 271
Step 4: Therefore, the least common multiple of 542 and 543 is 294306.