Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 215 and 219 the smallest integer that is 47085 that is divisible by both numbers.
Least Common Multiple (LCM) of 215 and 219 is 47085.
LCM(215,219) = 47085
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 215 and 219. First we will calculate the prime factors of 215 and 219.
Prime Factorization of 215
5 | 215 |
43 | 43 |
1 |
Prime factors of 215 are 5,43. Prime factorization of 215 in exponential form is:
215 = 51×431
Prime Factorization of 219
3 | 219 |
73 | 73 |
1 |
Prime factors of 219 are 3,73. Prime factorization of 219 in exponential form is:
219 = 31×731
Now multiplying the highest exponent prime factors to calculate the LCM of 215 and 219.
LCM(215,219) = 31×51×431×731
LCM(215,219) = 47085
Factors of 215
List of positive integer factors of 215 that divides 215 without a remainder.
1, 5, 43, 215
Factors of 219
List of positive integer factors of 219 that divides 219 without a remainder.
1, 3, 73, 219
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 215 and 219, than apply into the LCM equation.
GCF(215,219) = 1
LCM(215,219) = ( 215 × 219) / 1
LCM(215,219) = 47085 / 1
LCM(215,219) = 47085
(i) The LCM of 219 and 215 is associative
LCM of 215 and 219 = LCM of 219 and 215
1. What is the LCM of 215 and 219?
Answer: LCM of 215 and 219 is 47085.
2. What are the Factors of 215?
Answer: Factors of 215 are 1, 5, 43, 215. There are 4 integers that are factors of 215. The greatest factor of 215 is 215.
3. What are the Factors of 219?
Answer: Factors of 219 are 1, 3, 73, 219. There are 4 integers that are factors of 219. The greatest factor of 219 is 219.
4. How to Find the LCM of 215 and 219?
Answer:
Least Common Multiple of 215 and 219 = 47085
Step 1: Find the prime factorization of 215
215 = 5 x 43
Step 2: Find the prime factorization of 219
219 = 3 x 73
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 47085 = 3 x 5 x 43 x 73
Step 4: Therefore, the least common multiple of 215 and 219 is 47085.