Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 315 and 317 the smallest integer that is 99855 that is divisible by both numbers.
Least Common Multiple (LCM) of 315 and 317 is 99855.
LCM(315,317) = 99855
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 315 and 317. First we will calculate the prime factors of 315 and 317.
Prime Factorization of 315
3 | 315 |
3 | 105 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 315 are 3, 5,7. Prime factorization of 315 in exponential form is:
315 = 32×51×71
Prime Factorization of 317
317 | 317 |
1 |
Prime factors of 317 are 317. Prime factorization of 317 in exponential form is:
317 = 3171
Now multiplying the highest exponent prime factors to calculate the LCM of 315 and 317.
LCM(315,317) = 32×51×71×3171
LCM(315,317) = 99855
Factors of 315
List of positive integer factors of 315 that divides 315 without a remainder.
1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315
Factors of 317
List of positive integer factors of 317 that divides 317 without a remainder.
1, 317
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 315 and 317, than apply into the LCM equation.
GCF(315,317) = 1
LCM(315,317) = ( 315 × 317) / 1
LCM(315,317) = 99855 / 1
LCM(315,317) = 99855
(i) The LCM of 317 and 315 is associative
LCM of 315 and 317 = LCM of 317 and 315
1. What is the LCM of 315 and 317?
Answer: LCM of 315 and 317 is 99855.
2. What are the Factors of 315?
Answer: Factors of 315 are 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315. There are 12 integers that are factors of 315. The greatest factor of 315 is 315.
3. 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.
4. How to Find the LCM of 315 and 317?
Answer:
Least Common Multiple of 315 and 317 = 99855
Step 1: Find the prime factorization of 315
315 = 3 x 3 x 5 x 7
Step 2: Find the prime factorization of 317
317 = 317
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 99855 = 3 x 3 x 5 x 7 x 317
Step 4: Therefore, the least common multiple of 315 and 317 is 99855.