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 544 the smallest integer that is 147424 that is divisible by both numbers.
Least Common Multiple (LCM) of 542 and 544 is 147424.
LCM(542,544) = 147424
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 544. First we will calculate the prime factors of 542 and 544.
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 544
2 | 544 |
2 | 272 |
2 | 136 |
2 | 68 |
2 | 34 |
17 | 17 |
1 |
Prime factors of 544 are 2,17. Prime factorization of 544 in exponential form is:
544 = 25×171
Now multiplying the highest exponent prime factors to calculate the LCM of 542 and 544.
LCM(542,544) = 25×171×2711
LCM(542,544) = 147424
Factors of 542
List of positive integer factors of 542 that divides 542 without a remainder.
1, 2, 271, 542
Factors of 544
List of positive integer factors of 544 that divides 544 without a remainder.
1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 542 and 544, than apply into the LCM equation.
GCF(542,544) = 2
LCM(542,544) = ( 542 × 544) / 2
LCM(542,544) = 294848 / 2
LCM(542,544) = 147424
(i) The LCM of 544 and 542 is associative
LCM of 542 and 544 = LCM of 544 and 542
1. What is the LCM of 542 and 544?
Answer: LCM of 542 and 544 is 147424.
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 544?
Answer: Factors of 544 are 1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544. There are 12 integers that are factors of 544. The greatest factor of 544 is 544.
4. How to Find the LCM of 542 and 544?
Answer:
Least Common Multiple of 542 and 544 = 147424
Step 1: Find the prime factorization of 542
542 = 2 x 271
Step 2: Find the prime factorization of 544
544 = 2 x 2 x 2 x 2 x 2 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 147424 = 2 x 2 x 2 x 2 x 2 x 17 x 271
Step 4: Therefore, the least common multiple of 542 and 544 is 147424.