Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 319 and 321 the smallest integer that is 102399 that is divisible by both numbers.
Least Common Multiple (LCM) of 319 and 321 is 102399.
LCM(319,321) = 102399
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 319 and 321. First we will calculate the prime factors of 319 and 321.
Prime Factorization of 319
11 | 319 |
29 | 29 |
1 |
Prime factors of 319 are 11,29. Prime factorization of 319 in exponential form is:
319 = 111×291
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
Now multiplying the highest exponent prime factors to calculate the LCM of 319 and 321.
LCM(319,321) = 31×111×291×1071
LCM(319,321) = 102399
Factors of 319
List of positive integer factors of 319 that divides 319 without a remainder.
1, 11, 29, 319
Factors of 321
List of positive integer factors of 321 that divides 321 without a remainder.
1, 3, 107, 321
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 319 and 321, than apply into the LCM equation.
GCF(319,321) = 1
LCM(319,321) = ( 319 × 321) / 1
LCM(319,321) = 102399 / 1
LCM(319,321) = 102399
(i) The LCM of 321 and 319 is associative
LCM of 319 and 321 = LCM of 321 and 319
1. What is the LCM of 319 and 321?
Answer: LCM of 319 and 321 is 102399.
2. What are the Factors of 319?
Answer: Factors of 319 are 1, 11, 29, 319. There are 4 integers that are factors of 319. The greatest factor of 319 is 319.
3. 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.
4. How to Find the LCM of 319 and 321?
Answer:
Least Common Multiple of 319 and 321 = 102399
Step 1: Find the prime factorization of 319
319 = 11 x 29
Step 2: Find the prime factorization of 321
321 = 3 x 107
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 102399 = 3 x 11 x 29 x 107
Step 4: Therefore, the least common multiple of 319 and 321 is 102399.