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 545 the smallest integer that is 295390 that is divisible by both numbers.
Least Common Multiple (LCM) of 542 and 545 is 295390.
LCM(542,545) = 295390
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 545. First we will calculate the prime factors of 542 and 545.
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 545
5 | 545 |
109 | 109 |
1 |
Prime factors of 545 are 5,109. Prime factorization of 545 in exponential form is:
545 = 51×1091
Now multiplying the highest exponent prime factors to calculate the LCM of 542 and 545.
LCM(542,545) = 21×51×1091×2711
LCM(542,545) = 295390
Factors of 542
List of positive integer factors of 542 that divides 542 without a remainder.
1, 2, 271, 542
Factors of 545
List of positive integer factors of 545 that divides 545 without a remainder.
1, 5, 109, 545
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 542 and 545, than apply into the LCM equation.
GCF(542,545) = 1
LCM(542,545) = ( 542 × 545) / 1
LCM(542,545) = 295390 / 1
LCM(542,545) = 295390
(i) The LCM of 545 and 542 is associative
LCM of 542 and 545 = LCM of 545 and 542
1. What is the LCM of 542 and 545?
Answer: LCM of 542 and 545 is 295390.
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 545?
Answer: Factors of 545 are 1, 5, 109, 545. There are 4 integers that are factors of 545. The greatest factor of 545 is 545.
4. How to Find the LCM of 542 and 545?
Answer:
Least Common Multiple of 542 and 545 = 295390
Step 1: Find the prime factorization of 542
542 = 2 x 271
Step 2: Find the prime factorization of 545
545 = 5 x 109
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 295390 = 2 x 5 x 109 x 271
Step 4: Therefore, the least common multiple of 542 and 545 is 295390.