Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 321 and 329 the smallest integer that is 105609 that is divisible by both numbers.
Least Common Multiple (LCM) of 321 and 329 is 105609.
LCM(321,329) = 105609
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 321 and 329. First we will calculate the prime factors of 321 and 329.
Prime Factorization of 321
3 | 321 |
107 | 107 |
1 |
Prime factors of 321 are 3,107. Prime factorization of 321 in exponential form is:
321 = 31×1071
Prime Factorization of 329
7 | 329 |
47 | 47 |
1 |
Prime factors of 329 are 7,47. Prime factorization of 329 in exponential form is:
329 = 71×471
Now multiplying the highest exponent prime factors to calculate the LCM of 321 and 329.
LCM(321,329) = 31×71×471×1071
LCM(321,329) = 105609
Factors of 321
List of positive integer factors of 321 that divides 321 without a remainder.
1, 3, 107, 321
Factors of 329
List of positive integer factors of 329 that divides 329 without a remainder.
1, 7, 47, 329
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 321 and 329, than apply into the LCM equation.
GCF(321,329) = 1
LCM(321,329) = ( 321 × 329) / 1
LCM(321,329) = 105609 / 1
LCM(321,329) = 105609
(i) The LCM of 329 and 321 is associative
LCM of 321 and 329 = LCM of 329 and 321
1. What is the LCM of 321 and 329?
Answer: LCM of 321 and 329 is 105609.
2. What are the Factors of 321?
Answer: Factors of 321 are 1, 3, 107, 321. There are 4 integers that are factors of 321. The greatest factor of 321 is 321.
3. What are the Factors of 329?
Answer: Factors of 329 are 1, 7, 47, 329. There are 4 integers that are factors of 329. The greatest factor of 329 is 329.
4. How to Find the LCM of 321 and 329?
Answer:
Least Common Multiple of 321 and 329 = 105609
Step 1: Find the prime factorization of 321
321 = 3 x 107
Step 2: Find the prime factorization of 329
329 = 7 x 47
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 105609 = 3 x 7 x 47 x 107
Step 4: Therefore, the least common multiple of 321 and 329 is 105609.