Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 441 and 449 the smallest integer that is 198009 that is divisible by both numbers.
Least Common Multiple (LCM) of 441 and 449 is 198009.
LCM(441,449) = 198009
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 441 and 449. First we will calculate the prime factors of 441 and 449.
Prime Factorization of 441
3 | 441 |
3 | 147 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 441 are 3,7. Prime factorization of 441 in exponential form is:
441 = 32×72
Prime Factorization of 449
449 | 449 |
1 |
Prime factors of 449 are 449. Prime factorization of 449 in exponential form is:
449 = 4491
Now multiplying the highest exponent prime factors to calculate the LCM of 441 and 449.
LCM(441,449) = 32×72×4491
LCM(441,449) = 198009
Factors of 441
List of positive integer factors of 441 that divides 441 without a remainder.
1, 3, 7, 9, 21, 49, 63, 147, 441
Factors of 449
List of positive integer factors of 449 that divides 449 without a remainder.
1, 449
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 441 and 449, than apply into the LCM equation.
GCF(441,449) = 1
LCM(441,449) = ( 441 × 449) / 1
LCM(441,449) = 198009 / 1
LCM(441,449) = 198009
(i) The LCM of 449 and 441 is associative
LCM of 441 and 449 = LCM of 449 and 441
1. What is the LCM of 441 and 449?
Answer: LCM of 441 and 449 is 198009.
2. What are the Factors of 441?
Answer: Factors of 441 are 1, 3, 7, 9, 21, 49, 63, 147, 441. There are 9 integers that are factors of 441. The greatest factor of 441 is 441.
3. What are the Factors of 449?
Answer: Factors of 449 are 1, 449. There are 2 integers that are factors of 449. The greatest factor of 449 is 449.
4. How to Find the LCM of 441 and 449?
Answer:
Least Common Multiple of 441 and 449 = 198009
Step 1: Find the prime factorization of 441
441 = 3 x 3 x 7 x 7
Step 2: Find the prime factorization of 449
449 = 449
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 198009 = 3 x 3 x 7 x 7 x 449
Step 4: Therefore, the least common multiple of 441 and 449 is 198009.