Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 549 and 553 the smallest integer that is 303597 that is divisible by both numbers.
Least Common Multiple (LCM) of 549 and 553 is 303597.
LCM(549,553) = 303597
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 549 and 553. First we will calculate the prime factors of 549 and 553.
Prime Factorization of 549
3 | 549 |
3 | 183 |
61 | 61 |
1 |
Prime factors of 549 are 3,61. Prime factorization of 549 in exponential form is:
549 = 32×611
Prime Factorization of 553
7 | 553 |
79 | 79 |
1 |
Prime factors of 553 are 7,79. Prime factorization of 553 in exponential form is:
553 = 71×791
Now multiplying the highest exponent prime factors to calculate the LCM of 549 and 553.
LCM(549,553) = 32×71×611×791
LCM(549,553) = 303597
Factors of 549
List of positive integer factors of 549 that divides 549 without a remainder.
1, 3, 9, 61, 183, 549
Factors of 553
List of positive integer factors of 553 that divides 553 without a remainder.
1, 7, 79, 553
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 549 and 553, than apply into the LCM equation.
GCF(549,553) = 1
LCM(549,553) = ( 549 × 553) / 1
LCM(549,553) = 303597 / 1
LCM(549,553) = 303597
(i) The LCM of 553 and 549 is associative
LCM of 549 and 553 = LCM of 553 and 549
1. What is the LCM of 549 and 553?
Answer: LCM of 549 and 553 is 303597.
2. What are the Factors of 549?
Answer: Factors of 549 are 1, 3, 9, 61, 183, 549. There are 6 integers that are factors of 549. The greatest factor of 549 is 549.
3. What are the Factors of 553?
Answer: Factors of 553 are 1, 7, 79, 553. There are 4 integers that are factors of 553. The greatest factor of 553 is 553.
4. How to Find the LCM of 549 and 553?
Answer:
Least Common Multiple of 549 and 553 = 303597
Step 1: Find the prime factorization of 549
549 = 3 x 3 x 61
Step 2: Find the prime factorization of 553
553 = 7 x 79
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 303597 = 3 x 3 x 7 x 61 x 79
Step 4: Therefore, the least common multiple of 549 and 553 is 303597.