Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1865 and 1866 the smallest integer that is 3480090 that is divisible by both numbers.
Least Common Multiple (LCM) of 1865 and 1866 is 3480090.
LCM(1865,1866) = 3480090
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 1865 and 1866. First we will calculate the prime factors of 1865 and 1866.
Prime Factorization of 1865
5 | 1865 |
373 | 373 |
1 |
Prime factors of 1865 are 5,373. Prime factorization of 1865 in exponential form is:
1865 = 51×3731
Prime Factorization of 1866
2 | 1866 |
3 | 933 |
311 | 311 |
1 |
Prime factors of 1866 are 2, 3,311. Prime factorization of 1866 in exponential form is:
1866 = 21×31×3111
Now multiplying the highest exponent prime factors to calculate the LCM of 1865 and 1866.
LCM(1865,1866) = 21×31×51×3111×3731
LCM(1865,1866) = 3480090
Factors of 1865
List of positive integer factors of 1865 that divides 1865 without a remainder.
1, 5, 373, 1865
Factors of 1866
List of positive integer factors of 1866 that divides 1866 without a remainder.
1, 2, 3, 6, 311, 622, 933, 1866
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1865 and 1866, than apply into the LCM equation.
GCF(1865,1866) = 1
LCM(1865,1866) = ( 1865 × 1866) / 1
LCM(1865,1866) = 3480090 / 1
LCM(1865,1866) = 3480090
(i) The LCM of 1866 and 1865 is associative
LCM of 1865 and 1866 = LCM of 1866 and 1865
1. What is the LCM of 1865 and 1866?
Answer: LCM of 1865 and 1866 is 3480090.
2. What are the Factors of 1865?
Answer: Factors of 1865 are 1, 5, 373, 1865. There are 4 integers that are factors of 1865. The greatest factor of 1865 is 1865.
3. What are the Factors of 1866?
Answer: Factors of 1866 are 1, 2, 3, 6, 311, 622, 933, 1866. There are 8 integers that are factors of 1866. The greatest factor of 1866 is 1866.
4. How to Find the LCM of 1865 and 1866?
Answer:
Least Common Multiple of 1865 and 1866 = 3480090
Step 1: Find the prime factorization of 1865
1865 = 5 x 373
Step 2: Find the prime factorization of 1866
1866 = 2 x 3 x 311
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3480090 = 2 x 3 x 5 x 311 x 373
Step 4: Therefore, the least common multiple of 1865 and 1866 is 3480090.