Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8315 and 8321 the smallest integer that is 69189115 that is divisible by both numbers.
Least Common Multiple (LCM) of 8315 and 8321 is 69189115.
LCM(8315,8321) = 69189115
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 8315 and 8321. First we will calculate the prime factors of 8315 and 8321.
Prime Factorization of 8315
5 | 8315 |
1663 | 1663 |
1 |
Prime factors of 8315 are 5,1663. Prime factorization of 8315 in exponential form is:
8315 = 51×16631
Prime Factorization of 8321
53 | 8321 |
157 | 157 |
1 |
Prime factors of 8321 are 53,157. Prime factorization of 8321 in exponential form is:
8321 = 531×1571
Now multiplying the highest exponent prime factors to calculate the LCM of 8315 and 8321.
LCM(8315,8321) = 51×531×1571×16631
LCM(8315,8321) = 69189115
Factors of 8315
List of positive integer factors of 8315 that divides 8315 without a remainder.
1, 5, 1663, 8315
Factors of 8321
List of positive integer factors of 8321 that divides 8321 without a remainder.
1, 53, 157, 8321
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8315 and 8321, than apply into the LCM equation.
GCF(8315,8321) = 1
LCM(8315,8321) = ( 8315 × 8321) / 1
LCM(8315,8321) = 69189115 / 1
LCM(8315,8321) = 69189115
(i) The LCM of 8321 and 8315 is associative
LCM of 8315 and 8321 = LCM of 8321 and 8315
1. What is the LCM of 8315 and 8321?
Answer: LCM of 8315 and 8321 is 69189115.
2. What are the Factors of 8315?
Answer: Factors of 8315 are 1, 5, 1663, 8315. There are 4 integers that are factors of 8315. The greatest factor of 8315 is 8315.
3. What are the Factors of 8321?
Answer: Factors of 8321 are 1, 53, 157, 8321. There are 4 integers that are factors of 8321. The greatest factor of 8321 is 8321.
4. How to Find the LCM of 8315 and 8321?
Answer:
Least Common Multiple of 8315 and 8321 = 69189115
Step 1: Find the prime factorization of 8315
8315 = 5 x 1663
Step 2: Find the prime factorization of 8321
8321 = 53 x 157
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 69189115 = 5 x 53 x 157 x 1663
Step 4: Therefore, the least common multiple of 8315 and 8321 is 69189115.