Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 550 and 555 the smallest integer that is 61050 that is divisible by both numbers.
Least Common Multiple (LCM) of 550 and 555 is 61050.
LCM(550,555) = 61050
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 550 and 555. First we will calculate the prime factors of 550 and 555.
Prime Factorization of 550
2 | 550 |
5 | 275 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 550 are 2, 5,11. Prime factorization of 550 in exponential form is:
550 = 21×52×111
Prime Factorization of 555
3 | 555 |
5 | 185 |
37 | 37 |
1 |
Prime factors of 555 are 3, 5,37. Prime factorization of 555 in exponential form is:
555 = 31×51×371
Now multiplying the highest exponent prime factors to calculate the LCM of 550 and 555.
LCM(550,555) = 21×31×52×111×371
LCM(550,555) = 61050
Factors of 550
List of positive integer factors of 550 that divides 550 without a remainder.
1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550
Factors of 555
List of positive integer factors of 555 that divides 555 without a remainder.
1, 3, 5, 15, 37, 111, 185, 555
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 550 and 555, than apply into the LCM equation.
GCF(550,555) = 5
LCM(550,555) = ( 550 × 555) / 5
LCM(550,555) = 305250 / 5
LCM(550,555) = 61050
(i) The LCM of 555 and 550 is associative
LCM of 550 and 555 = LCM of 555 and 550
1. What is the LCM of 550 and 555?
Answer: LCM of 550 and 555 is 61050.
2. What are the Factors of 550?
Answer: Factors of 550 are 1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550. There are 12 integers that are factors of 550. The greatest factor of 550 is 550.
3. What are the Factors of 555?
Answer: Factors of 555 are 1, 3, 5, 15, 37, 111, 185, 555. There are 8 integers that are factors of 555. The greatest factor of 555 is 555.
4. How to Find the LCM of 550 and 555?
Answer:
Least Common Multiple of 550 and 555 = 61050
Step 1: Find the prime factorization of 550
550 = 2 x 5 x 5 x 11
Step 2: Find the prime factorization of 555
555 = 3 x 5 x 37
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 61050 = 2 x 3 x 5 x 5 x 11 x 37
Step 4: Therefore, the least common multiple of 550 and 555 is 61050.