Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1843 and 1851 the smallest integer that is 3411393 that is divisible by both numbers.
Least Common Multiple (LCM) of 1843 and 1851 is 3411393.
LCM(1843,1851) = 3411393
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 1843 and 1851. First we will calculate the prime factors of 1843 and 1851.
Prime Factorization of 1843
19 | 1843 |
97 | 97 |
1 |
Prime factors of 1843 are 19,97. Prime factorization of 1843 in exponential form is:
1843 = 191×971
Prime Factorization of 1851
3 | 1851 |
617 | 617 |
1 |
Prime factors of 1851 are 3,617. Prime factorization of 1851 in exponential form is:
1851 = 31×6171
Now multiplying the highest exponent prime factors to calculate the LCM of 1843 and 1851.
LCM(1843,1851) = 31×191×971×6171
LCM(1843,1851) = 3411393
Factors of 1843
List of positive integer factors of 1843 that divides 1843 without a remainder.
1, 19, 97, 1843
Factors of 1851
List of positive integer factors of 1851 that divides 1851 without a remainder.
1, 3, 617, 1851
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1843 and 1851, than apply into the LCM equation.
GCF(1843,1851) = 1
LCM(1843,1851) = ( 1843 × 1851) / 1
LCM(1843,1851) = 3411393 / 1
LCM(1843,1851) = 3411393
(i) The LCM of 1851 and 1843 is associative
LCM of 1843 and 1851 = LCM of 1851 and 1843
1. What is the LCM of 1843 and 1851?
Answer: LCM of 1843 and 1851 is 3411393.
2. What are the Factors of 1843?
Answer: Factors of 1843 are 1, 19, 97, 1843. There are 4 integers that are factors of 1843. The greatest factor of 1843 is 1843.
3. What are the Factors of 1851?
Answer: Factors of 1851 are 1, 3, 617, 1851. There are 4 integers that are factors of 1851. The greatest factor of 1851 is 1851.
4. How to Find the LCM of 1843 and 1851?
Answer:
Least Common Multiple of 1843 and 1851 = 3411393
Step 1: Find the prime factorization of 1843
1843 = 19 x 97
Step 2: Find the prime factorization of 1851
1851 = 3 x 617
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3411393 = 3 x 19 x 97 x 617
Step 4: Therefore, the least common multiple of 1843 and 1851 is 3411393.