Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1853 and 1861 the smallest integer that is 3448433 that is divisible by both numbers.
Least Common Multiple (LCM) of 1853 and 1861 is 3448433.
LCM(1853,1861) = 3448433
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 1853 and 1861. First we will calculate the prime factors of 1853 and 1861.
Prime Factorization of 1853
17 | 1853 |
109 | 109 |
1 |
Prime factors of 1853 are 17,109. Prime factorization of 1853 in exponential form is:
1853 = 171×1091
Prime Factorization of 1861
1861 | 1861 |
1 |
Prime factors of 1861 are 1861. Prime factorization of 1861 in exponential form is:
1861 = 18611
Now multiplying the highest exponent prime factors to calculate the LCM of 1853 and 1861.
LCM(1853,1861) = 171×1091×18611
LCM(1853,1861) = 3448433
Factors of 1853
List of positive integer factors of 1853 that divides 1853 without a remainder.
1, 17, 109, 1853
Factors of 1861
List of positive integer factors of 1861 that divides 1861 without a remainder.
1, 1861
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1853 and 1861, than apply into the LCM equation.
GCF(1853,1861) = 1
LCM(1853,1861) = ( 1853 × 1861) / 1
LCM(1853,1861) = 3448433 / 1
LCM(1853,1861) = 3448433
(i) The LCM of 1861 and 1853 is associative
LCM of 1853 and 1861 = LCM of 1861 and 1853
1. What is the LCM of 1853 and 1861?
Answer: LCM of 1853 and 1861 is 3448433.
2. What are the Factors of 1853?
Answer: Factors of 1853 are 1, 17, 109, 1853. There are 4 integers that are factors of 1853. The greatest factor of 1853 is 1853.
3. What are the Factors of 1861?
Answer: Factors of 1861 are 1, 1861. There are 2 integers that are factors of 1861. The greatest factor of 1861 is 1861.
4. How to Find the LCM of 1853 and 1861?
Answer:
Least Common Multiple of 1853 and 1861 = 3448433
Step 1: Find the prime factorization of 1853
1853 = 17 x 109
Step 2: Find the prime factorization of 1861
1861 = 1861
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3448433 = 17 x 109 x 1861
Step 4: Therefore, the least common multiple of 1853 and 1861 is 3448433.