Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 317 and 321 the smallest integer that is 101757 that is divisible by both numbers.
Least Common Multiple (LCM) of 317 and 321 is 101757.
LCM(317,321) = 101757
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 317 and 321. First we will calculate the prime factors of 317 and 321.
Prime Factorization of 317
317 | 317 |
1 |
Prime factors of 317 are 317. Prime factorization of 317 in exponential form is:
317 = 3171
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 317 and 321.
LCM(317,321) = 31×1071×3171
LCM(317,321) = 101757
Factors of 317
List of positive integer factors of 317 that divides 317 without a remainder.
1, 317
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 317 and 321, than apply into the LCM equation.
GCF(317,321) = 1
LCM(317,321) = ( 317 × 321) / 1
LCM(317,321) = 101757 / 1
LCM(317,321) = 101757
(i) The LCM of 321 and 317 is associative
LCM of 317 and 321 = LCM of 321 and 317
1. What is the LCM of 317 and 321?
Answer: LCM of 317 and 321 is 101757.
2. What are the Factors of 317?
Answer: Factors of 317 are 1, 317. There are 2 integers that are factors of 317. The greatest factor of 317 is 317.
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 317 and 321?
Answer:
Least Common Multiple of 317 and 321 = 101757
Step 1: Find the prime factorization of 317
317 = 317
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 = 101757 = 3 x 107 x 317
Step 4: Therefore, the least common multiple of 317 and 321 is 101757.