Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1817 and 1823 the smallest integer that is 3312391 that is divisible by both numbers.
Least Common Multiple (LCM) of 1817 and 1823 is 3312391.
LCM(1817,1823) = 3312391
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 1817 and 1823. First we will calculate the prime factors of 1817 and 1823.
Prime Factorization of 1817
23 | 1817 |
79 | 79 |
1 |
Prime factors of 1817 are 23,79. Prime factorization of 1817 in exponential form is:
1817 = 231×791
Prime Factorization of 1823
1823 | 1823 |
1 |
Prime factors of 1823 are 1823. Prime factorization of 1823 in exponential form is:
1823 = 18231
Now multiplying the highest exponent prime factors to calculate the LCM of 1817 and 1823.
LCM(1817,1823) = 231×791×18231
LCM(1817,1823) = 3312391
Factors of 1817
List of positive integer factors of 1817 that divides 1817 without a remainder.
1, 23, 79, 1817
Factors of 1823
List of positive integer factors of 1823 that divides 1823 without a remainder.
1, 1823
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1817 and 1823, than apply into the LCM equation.
GCF(1817,1823) = 1
LCM(1817,1823) = ( 1817 × 1823) / 1
LCM(1817,1823) = 3312391 / 1
LCM(1817,1823) = 3312391
(i) The LCM of 1823 and 1817 is associative
LCM of 1817 and 1823 = LCM of 1823 and 1817
1. What is the LCM of 1817 and 1823?
Answer: LCM of 1817 and 1823 is 3312391.
2. What are the Factors of 1817?
Answer: Factors of 1817 are 1, 23, 79, 1817. There are 4 integers that are factors of 1817. The greatest factor of 1817 is 1817.
3. What are the Factors of 1823?
Answer: Factors of 1823 are 1, 1823. There are 2 integers that are factors of 1823. The greatest factor of 1823 is 1823.
4. How to Find the LCM of 1817 and 1823?
Answer:
Least Common Multiple of 1817 and 1823 = 3312391
Step 1: Find the prime factorization of 1817
1817 = 23 x 79
Step 2: Find the prime factorization of 1823
1823 = 1823
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3312391 = 23 x 79 x 1823
Step 4: Therefore, the least common multiple of 1817 and 1823 is 3312391.