Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1867 and 1872 the smallest integer that is 3495024 that is divisible by both numbers.
Least Common Multiple (LCM) of 1867 and 1872 is 3495024.
LCM(1867,1872) = 3495024
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 1867 and 1872. First we will calculate the prime factors of 1867 and 1872.
Prime Factorization of 1867
1867 | 1867 |
1 |
Prime factors of 1867 are 1867. Prime factorization of 1867 in exponential form is:
1867 = 18671
Prime Factorization of 1872
2 | 1872 |
2 | 936 |
2 | 468 |
2 | 234 |
3 | 117 |
3 | 39 |
13 | 13 |
1 |
Prime factors of 1872 are 2, 3,13. Prime factorization of 1872 in exponential form is:
1872 = 24×32×131
Now multiplying the highest exponent prime factors to calculate the LCM of 1867 and 1872.
LCM(1867,1872) = 24×32×131×18671
LCM(1867,1872) = 3495024
Factors of 1867
List of positive integer factors of 1867 that divides 1867 without a remainder.
1, 1867
Factors of 1872
List of positive integer factors of 1872 that divides 1872 without a remainder.
1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1867 and 1872, than apply into the LCM equation.
GCF(1867,1872) = 1
LCM(1867,1872) = ( 1867 × 1872) / 1
LCM(1867,1872) = 3495024 / 1
LCM(1867,1872) = 3495024
(i) The LCM of 1872 and 1867 is associative
LCM of 1867 and 1872 = LCM of 1872 and 1867
1. What is the LCM of 1867 and 1872?
Answer: LCM of 1867 and 1872 is 3495024.
2. What are the Factors of 1867?
Answer: Factors of 1867 are 1, 1867. There are 2 integers that are factors of 1867. The greatest factor of 1867 is 1867.
3. What are the Factors of 1872?
Answer: Factors of 1872 are 1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872. There are 30 integers that are factors of 1872. The greatest factor of 1872 is 1872.
4. How to Find the LCM of 1867 and 1872?
Answer:
Least Common Multiple of 1867 and 1872 = 3495024
Step 1: Find the prime factorization of 1867
1867 = 1867
Step 2: Find the prime factorization of 1872
1872 = 2 x 2 x 2 x 2 x 3 x 3 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3495024 = 2 x 2 x 2 x 2 x 3 x 3 x 13 x 1867
Step 4: Therefore, the least common multiple of 1867 and 1872 is 3495024.