Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 551 and 558 the smallest integer that is 307458 that is divisible by both numbers.
Least Common Multiple (LCM) of 551 and 558 is 307458.
LCM(551,558) = 307458
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 551 and 558. First we will calculate the prime factors of 551 and 558.
Prime Factorization of 551
19 | 551 |
29 | 29 |
1 |
Prime factors of 551 are 19,29. Prime factorization of 551 in exponential form is:
551 = 191×291
Prime Factorization of 558
2 | 558 |
3 | 279 |
3 | 93 |
31 | 31 |
1 |
Prime factors of 558 are 2, 3,31. Prime factorization of 558 in exponential form is:
558 = 21×32×311
Now multiplying the highest exponent prime factors to calculate the LCM of 551 and 558.
LCM(551,558) = 21×32×191×291×311
LCM(551,558) = 307458
Factors of 551
List of positive integer factors of 551 that divides 551 without a remainder.
1, 19, 29, 551
Factors of 558
List of positive integer factors of 558 that divides 558 without a remainder.
1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 551 and 558, than apply into the LCM equation.
GCF(551,558) = 1
LCM(551,558) = ( 551 × 558) / 1
LCM(551,558) = 307458 / 1
LCM(551,558) = 307458
(i) The LCM of 558 and 551 is associative
LCM of 551 and 558 = LCM of 558 and 551
1. What is the LCM of 551 and 558?
Answer: LCM of 551 and 558 is 307458.
2. What are the Factors of 551?
Answer: Factors of 551 are 1, 19, 29, 551. There are 4 integers that are factors of 551. The greatest factor of 551 is 551.
3. What are the Factors of 558?
Answer: Factors of 558 are 1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558. There are 12 integers that are factors of 558. The greatest factor of 558 is 558.
4. How to Find the LCM of 551 and 558?
Answer:
Least Common Multiple of 551 and 558 = 307458
Step 1: Find the prime factorization of 551
551 = 19 x 29
Step 2: Find the prime factorization of 558
558 = 2 x 3 x 3 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 307458 = 2 x 3 x 3 x 19 x 29 x 31
Step 4: Therefore, the least common multiple of 551 and 558 is 307458.