Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 207 and 215 the smallest integer that is 44505 that is divisible by both numbers.
Least Common Multiple (LCM) of 207 and 215 is 44505.
LCM(207,215) = 44505
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 207 and 215. First we will calculate the prime factors of 207 and 215.
Prime Factorization of 207
3 | 207 |
3 | 69 |
23 | 23 |
1 |
Prime factors of 207 are 3,23. Prime factorization of 207 in exponential form is:
207 = 32×231
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
Now multiplying the highest exponent prime factors to calculate the LCM of 207 and 215.
LCM(207,215) = 32×51×231×431
LCM(207,215) = 44505
Factors of 207
List of positive integer factors of 207 that divides 207 without a remainder.
1, 3, 9, 23, 69, 207
Factors of 215
List of positive integer factors of 215 that divides 215 without a remainder.
1, 5, 43, 215
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 207 and 215, than apply into the LCM equation.
GCF(207,215) = 1
LCM(207,215) = ( 207 × 215) / 1
LCM(207,215) = 44505 / 1
LCM(207,215) = 44505
(i) The LCM of 215 and 207 is associative
LCM of 207 and 215 = LCM of 215 and 207
1. What is the LCM of 207 and 215?
Answer: LCM of 207 and 215 is 44505.
2. What are the Factors of 207?
Answer: Factors of 207 are 1, 3, 9, 23, 69, 207. There are 6 integers that are factors of 207. The greatest factor of 207 is 207.
3. 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.
4. How to Find the LCM of 207 and 215?
Answer:
Least Common Multiple of 207 and 215 = 44505
Step 1: Find the prime factorization of 207
207 = 3 x 3 x 23
Step 2: Find the prime factorization of 215
215 = 5 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 44505 = 3 x 3 x 5 x 23 x 43
Step 4: Therefore, the least common multiple of 207 and 215 is 44505.